Daily Practice

Q1. Convert 3/5 into an equivalent fraction with denominator 20.📘 Ch. 7 — Fractions📕 KV Academy Original

Q2. A recipe uses 3/4 cup of flour. If only half the recipe is made, how much flour is needed?📘 Ch. 4 — Data Handling and Presentation📕 KV Academy Original

Q3. A ribbon 7 1/2 m long is cut into pieces of 3/4 m each. How many complete pieces can be cut?📘 Ch. 6 — Perimeter and Area📕 KV Academy Original

Q4. A rectangular garden is 18 m long and 11 m wide. Find its perimeter.📘 Ch. 2 — Lines and Angles📕 KV Academy Original

Q5. Arrange 2/3, 3/5 and 5/8 in ascending order.📘 Ch. 7 — Fractions📕 KV Academy Original

Q6. A tank is 3/5 full. After 18 L is added it becomes 4/5 full. Find the tank capacity.📘 Ch. 4 — Data Handling and Presentation📕 KV Academy Original

Q7. A rectangle has area 96 cm² and length 12 cm. Find its breadth.📘 Ch. 6 — Perimeter and Area📕 KV Academy Original

Q8. A square has perimeter 44 cm. Find its area.📘 Ch. 2 — Lines and Angles📕 KV Academy Original

Q9. A class has 24 students, of whom 5/8 submitted an assignment. How many did not submit it?📘 Ch. 4 — Data Handling and Presentation📕 KV Academy Original

Q10. A path of uniform width runs around a rectangular field. Explain how the total area can be found by subtracting the inner rectangle from the outer rectangle.📘 Ch. 6 — Perimeter and Area📕 KV Academy Original

Q1. Name one material that is attracted by a magnet.📘 Ch. 6 — Materials Around Us📕 KV Academy Original

Q2. Why is a measuring scale kept along the length of an object?📘 Ch. 4 — Exploring Magnets📕 KV Academy Original

Q3. A student walks 120 m in 2 minutes. Find the distance covered in 1 minute.📘 Ch. 5 — Measurement of Length and Motion📕 KV Academy Original

Q4. Give one reason why materials are classified into different groups.📘 Ch. 2 — Diversity in the Living World📕 KV Academy Original

Q5. Classify iron, wood and water as magnetic/non-magnetic materials.📘 Ch. 6 — Materials Around Us📕 KV Academy Original

Q6. A runner covers 300 m in 60 s. Find the average speed.📘 Ch. 4 — Exploring Magnets📕 KV Academy Original

Q7. Why does a metal spoon feel colder than a wooden spoon in the same room?📘 Ch. 5 — Measurement of Length and Motion📕 KV Academy Original

Q8. Explain one safe method for measuring the volume of an irregular solid.📘 Ch. 2 — Diversity in the Living World📕 KV Academy Original

Q9. How can magnetic poles be identified experimentally?📘 Ch. 4 — Exploring Magnets📕 KV Academy Original

Q10. A student records 10 m, 20 m and 30 m at equal time intervals. What does this suggest about the motion?📘 Ch. 5 — Measurement of Length and Motion📕 KV Academy Original

Q1. Write the place value of 7 in 57,42,316.📘 Ch. 3 — A Peek Beyond The Point📕 KV Academy Original

Q2. Simplify: 18 − 3 × 4.📘 Ch. 2 — Arithmetic Expressions📕 KV Academy Original

Q3. Write 0.000045 in scientific notation.📘 Ch. 1 — Large Numbers Around Us📕 KV Academy Original

Q4. If a number is multiplied by 100 and then divided by 10, by what factor has it changed?📘 Ch. 3 — A Peek Beyond The Point📕 KV Academy Original

Q5. Evaluate 48 ÷ [6 + 2].📘 Ch. 2 — Arithmetic Expressions📕 KV Academy Original

Q6. A shop records 2,45,600 units in one year. Write the number in words using the Indian system.📘 Ch. 1 — Large Numbers Around Us📕 KV Academy Original

Q7. Find the value of 3² + 2³ − 5.📘 Ch. 3 — A Peek Beyond The Point📕 KV Academy Original

Q8. A number is increased by 20% and then decreased by 20%. Is the final number equal to the original? Explain.📘 Ch. 2 — Arithmetic Expressions📕 KV Academy Original

Q9. Create an arithmetic expression using 7, 4 and 2 that gives 15 using basic operations.📘 Ch. 2 — Arithmetic Expressions📕 KV Academy Original

Q10. A population doubles every 10 years. Describe the pattern using powers of 2 for three successive periods.📘 Ch. 1 — Large Numbers Around Us📕 KV Academy Original

Q1. Name one non-metal that is a good conductor of electricity.📘 Ch. 4 — The World of Metals and Non-metals📕 KV Academy Original

Q2. What colour does blue litmus turn in an acidic solution?📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q3. Why are copper and aluminium commonly used for electrical connections?📘 Ch. 4 — The World of Metals and Non-metals📕 KV Academy Original

Q4. A substance turns red litmus blue. What does this indicate, and name one suitable household example.📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q5. Name one metal that can be beaten into sheets and explain the property.📘 Ch. 4 — The World of Metals and Non-metals📕 KV Academy Original

Q6. Why should acids not be tasted to identify them?📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q7. A solution has pH 3. Is it acidic or basic? Explain.📘 Ch. 4 — The World of Metals and Non-metals📕 KV Academy Original

Q8. Compare the reaction of an acid with a metal and with a carbonate using one observation.📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q9. Why are most non-metals poor conductors of electricity?📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q10. A farmer finds soil too acidic. Suggest a suitable type of material to reduce its acidity and explain.📘 Ch. 2 — Exploring Substances: Acidic, Basic, and Neutral📕 KV Academy Original

Q1. Expand: 3(x + 4).📘 Ch. 6 — We Distribute, Yet Things Multiply📕 KV Academy Original

Q2. How many sides does a quadrilateral have?📘 Ch. 4 — Quadrilaterals📕 KV Academy Original

Q3. Write 2^5 as a product of equal factors.📘 Ch. 2 — Power Play📕 KV Academy Original

Q4. Find the remainder when 347 is divided by 10.📘 Ch. 5 — Number Play📕 KV Academy Original

Q5. Expand: 5(2a−3).📘 Ch. 6 — We Distribute, Yet Things Multiply📕 KV Academy Original

Q6. Simplify: 2³×2⁴ using laws of exponents.📘 Ch. 4 — Quadrilaterals📕 KV Academy Original

Q7. A quadrilateral has angles 80°, 95°, 105° and x°. Find x.📘 Ch. 2 — Power Play📕 KV Academy Original

Q8. Express 0.00072 using a power of 10.📘 Ch. 5 — Number Play📕 KV Academy Original

Q9. Find the value of 15²−14² using an algebraic identity.📘 Ch. 4 — Quadrilaterals📕 KV Academy Original

Q10. Explain with an example why multiplication distributes over addition.📘 Ch. 2 — Power Play📕 KV Academy Original

Q1. Name the smallest unit of an element that retains its chemical identity.📘 Ch. 8 — Nature of Matter: Elements, Compounds, and Mixtures📕 KV Academy Original

Q2. Which state of matter has particles with the greatest freedom of movement?📘 Ch. 7 — Particulate Nature of Matter📕 KV Academy Original

Q3. Why does a sharp knife exert greater pressure than a blunt knife for the same force?📘 Ch. 6 — Pressure, Winds, Storms, and Cyclones📕 KV Academy Original

Q4. Differentiate between an element and a compound using one example of each.📘 Ch. 8 — Nature of Matter: Elements, Compounds, and Mixtures📕 KV Academy Original

Q5. Give one example each of a pure substance and a mixture.📘 Ch. 7 — Particulate Nature of Matter📕 KV Academy Original

Q6. Why can gases be compressed more easily than solids?📘 Ch. 6 — Pressure, Winds, Storms, and Cyclones📕 KV Academy Original

Q7. Explain why wind moves from a region of high pressure towards a region of low pressure.📘 Ch. 8 — Nature of Matter: Elements, Compounds, and Mixtures📕 KV Academy Original

Q8. How can a mixture of sand and water be separated?📘 Ch. 7 — Particulate Nature of Matter📕 KV Academy Original

Q9. Differentiate between an element, compound and mixture using one key property each.📘 Ch. 7 — Particulate Nature of Matter📕 KV Academy Original

Q10. A cyclone warning is issued for a coastal area. State two safety measures and explain why they help.📘 Ch. 6 — Pressure, Winds, Storms, and Cyclones📕 KV Academy Original

Q1. Is √49 rational or irrational?📘 Ch. 3 — The World of Numbers📕 KV Academy Original

Q2. Find the zero of p(x)=5x−20.📘 Ch. 2 — Introduction to Linear Polynomials📕 KV Academy Original

Q3. In which quadrant does the point (−3,−5) lie?📘 Ch. 1 — Orienting Yourself: The Use of Coordinates📕 KV Academy Original

Q4. Represent the point (4,−2) on the Cartesian plane and state its quadrant.📘 Ch. 3 — The World of Numbers📕 KV Academy Original

Q5. Write 0.375 as a rational number in lowest form.📘 Ch. 2 — Introduction to Linear Polynomials📕 KV Academy Original

Q6. Find the value of p(−2) for p(x)=3x+7.📘 Ch. 1 — Orienting Yourself: The Use of Coordinates📕 KV Academy Original

Q7. Find the coordinates of the reflection of (−4,2) in the x-axis.📘 Ch. 3 — The World of Numbers📕 KV Academy Original

Q8. Between which two consecutive integers does √50 lie?📘 Ch. 2 — Introduction to Linear Polynomials📕 KV Academy Original

Q9. A line segment joins (−2,1) and (4,7). Find its midpoint.📘 Ch. 2 — Introduction to Linear Polynomials📕 KV Academy Original

Q10. Explain why √2 cannot be represented as p/q where p and q are integers and q≠0.📘 Ch. 1 — Orienting Yourself: The Use of Coordinates📕 KV Academy Original

Q1. Name the tissue that transports water in plants.📘 Ch. 3 — Tissues in Action📕 KV Academy Original

Q2. State the SI unit of force.📘 Ch. 6 — How Forces Affect Motion📕 KV Academy Original

Q3. What does a horizontal line on a distance-time graph indicate?📘 Ch. 4 — Describing Motion Around Us📕 KV Academy Original

Q4. Why is a fixed pulley useful even though it does not multiply force?📘 Ch. 7 — Work, Energy, and Simple Machines📕 KV Academy Original

Q5. Differentiate between meristematic and permanent tissue.📘 Ch. 3 — Tissues in Action📕 KV Academy Original

Q6. A car changes velocity from 5 m/s to 15 m/s in 5 s. Find its acceleration.📘 Ch. 6 — How Forces Affect Motion📕 KV Academy Original

Q7. Distinguish between work and power.📘 Ch. 4 — Describing Motion Around Us📕 KV Academy Original

Q8. Why does a passenger move forward when a moving bus stops suddenly?📘 Ch. 7 — Work, Energy, and Simple Machines📕 KV Academy Original

Q9. A force of 20 N moves an object 3 m in the direction of the force. Find the work done.📘 Ch. 6 — How Forces Affect Motion📕 KV Academy Original

Q10. Explain how a simple machine can make work easier without reducing the total work done.📘 Ch. 4 — Describing Motion Around Us📕 KV Academy Original

Q1. In ΔABC, DE ∥ BC. If AE = (2x + 1) cm, EC = 4 cm, AD = (x + 1) cm and DB = 3 cm, find x.📘 Ch. 6 — Triangles📕 [CBSE 2025 — Standard, Set 2, Q16]

Q2. Find the distance between the points (−2, 3) and (4, −5).📘 Ch. 7 — Coordinate Geometry📕 KV Academy Original

Q3. Find the 12th term of the AP 5, 9, 13, …📘 Ch. 5 — Arithmetic Progressions📕 KV Academy Original

Q4. If tan θ = 3/4 for an acute angle θ, find sec θ.📘 Ch. 8 — Introduction to Trigonometry📕 KV Academy Original

Q5. A 15 m high pole casts a shadow when the angle of elevation of the sun is 45°. Find the shadow length.📘 Ch. 9 — Some Applications of Trigonometry📕 KV Academy Original

Q6. A sphere has radius 6 cm. Find its surface area in terms of π.📘 Ch. 12 — Surface Areas and Volumes📕 KV Academy Original

Q7. If two triangles are similar and their corresponding sides are in the ratio 3:5, find the ratio of their areas.📘 Ch. 6 — Triangles📕 KV Academy Original

Q8. Find the midpoint of the line segment joining (−7,4) and (3,−6).📘 Ch. 7 — Coordinate Geometry📕 KV Academy Original

Q9. If the nth term of an AP is 4n−1, find its first term and common difference.📘 Ch. 5 — Arithmetic Progressions📕 KV Academy Original

Q10. Prove that (1−sin θ)(1+sin θ)=cos²θ.📘 Ch. 8 — Introduction to Trigonometry📕 KV Academy Original

Q1. State the SI unit of electric current.📘 Ch. 11 — Electricity📕 KV Academy Original

Q2. Which lens is commonly used to correct myopia?📘 Ch. 9 — Light – Reflection and Refraction📕 KV Academy Original

Q3. Why are ionic compounds generally hard?📘 Ch. 3 — Metals and Non-metals📕 KV Academy Original

Q4. Name the process by which plants lose water vapour through leaves.📘 Ch. 5 — Life Processes📕 KV Academy Original

Q5. What is the role of decomposers in an ecosystem?📘 Ch. 13 — Our Environment📕 KV Academy Original

Q6. A 6 Ω resistor is connected to a 12 V source. Find the current.📘 Ch. 11 — Electricity📕 KV Academy Original

Q7. State the mirror formula and identify the sign convention used for focal length.📘 Ch. 9 — Light – Reflection and Refraction📕 KV Academy Original

Q8. Why does aluminium resist corrosion better than iron?📘 Ch. 3 — Metals and Non-metals📕 KV Academy Original

Q9. Explain how the small intestine is adapted for absorption.📘 Ch. 5 — Life Processes📕 KV Academy Original

Q10. How does energy flow through an ecosystem differ from nutrient cycling?📘 Ch. 13 — Our Environment📕 KV Academy Original

Q1. If P(A)=0.4, what is P(A')?📘 Ch. 9 — Probability📕 KV Academy Original

Q2. How many ways can 3 different books be arranged on a shelf?📘 Ch. 6 — Permutations and Combinations📕 KV Academy Original

Q3. Find the common difference of the AP 11, 15, 19, …📘 Ch. 5 — Sequences and Series📕 KV Academy Original

Q4. For R={(1,2),(2,4),(3,6)}, write the domain.📘 Ch. 4 — Relations📕 KV Academy Original

Q5. If A={1,2,3} and B={3,4}, find A∩B.📘 Ch. 3 — Set📕 KV Academy Original

Q6. If P(A)=0.7, find P(A').📘 Ch. 9 — Probability📕 KV Academy Original

Q7. How many 4-letter arrangements can be made from 6 distinct letters without repetition?📘 Ch. 6 — Permutations and Combinations📕 KV Academy Original

Q8. Find the sum of the first 8 terms of 3,7,11,…📘 Ch. 5 — Sequences and Series📕 KV Academy Original

Q9. If R={(2,3),(4,5),(6,7)}, state its range.📘 Ch. 4 — Relations📕 KV Academy Original

Q10. If A={1,2,3,4} and B={2,4,6}, find A∪B.📘 Ch. 3 — Set📕 KV Academy Original

Q1. Name one fundamental force of nature.📘 Ch. 1 — Physical World📕 KV Academy Original

Q2. What is meant by the scope of physics?📘 Ch. 1 — Physical World📕 KV Academy Original

Q3. Why is measurement essential in physics?📘 Ch. 1 — Physical World📕 KV Academy Original

Q4. Explain briefly how physics is connected with technology.📘 Ch. 1 — Physical World📕 KV Academy Original

Q5. Distinguish between a physical quantity and a unit.📘 Ch. 1 — Physical World📕 KV Academy Original

Q6. Why are physical laws often expressed mathematically?📘 Ch. 1 — Physical World📕 KV Academy Original

Q7. Name one example where physics contributes to medical technology.📘 Ch. 1 — Physical World📕 KV Academy Original

Q8. Explain the role of observation and experimentation in physics.📘 Ch. 1 — Physical World📕 KV Academy Original

Q9. Differentiate between fundamental and derived quantities with one example each.📘 Ch. 1 — Physical World📕 KV Academy Original

Q10. Explain why no physical theory is considered beyond experimental testing.📘 Ch. 1 — Physical World📕 KV Academy Original

Q1. Define one mole.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q2. What is the SI unit of amount of substance?📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q3. Calculate the molar mass of H₂O.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q4. Why is the law of conservation of mass important in chemical calculations?📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q5. Calculate the number of moles in 18 g of water.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q6. What is the difference between empirical and molecular formula?📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q7. Define limiting reagent.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q8. Why must chemical equations be balanced before quantitative calculations?📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q9. A compound contains 40% carbon, 6.67% hydrogen and 53.33% oxygen. State the first step to determine its empirical formula.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q10. Explain the significance of Avogadro's constant in mole calculations.📘 Ch. 1 — Some Basic Concepts of Chemistry📕 KV Academy Original

Q1. Evaluate ∫ (1 − 2 sin x)/cos²x dx.📘 Ch. 7 — Integrals📕 [CBSE 2025 — Mathematics, Set 2]

Q2. Determine whether f(x)=x² is one-one on R.📘 Ch. 1 — Relations and Functions📕 KV Academy Original

Q3. Find the principal value of tan⁻¹(−1).📘 Ch. 2 — Inverse Trigonometric Functions📕 KV Academy Original

Q4. If A is a 2×2 matrix, state the order of Aᵀ.📘 Ch. 3 — Matrices📕 KV Academy Original

Q5. Find the value of |3 2; 5 4|.📘 Ch. 4 — Determinants📕 KV Academy Original

Q6. Differentiate x² sin x.📘 Ch. 5 — Continuity and Differentiability📕 KV Academy Original

Q7. Find the critical points of f(x)=x³−3x.📘 Ch. 6 — Applications of Derivatives📕 KV Academy Original

Q8. Evaluate ∫ 2x/(x²+1) dx.📘 Ch. 7 — Integrals📕 KV Academy Original

Q9. Find the inverse of a 2×2 diagonal matrix with non-zero diagonal entries.📘 Ch. 3 — Matrices📕 KV Academy Original

Q10. Solve |x 2; 3 4|=10 for x.📘 Ch. 4 — Determinants📕 KV Academy Original

Q1. Write the SI unit of electric potential.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q2. State the relation between electric field and potential in one dimension.📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q3. Why is the electric field inside a conductor zero in electrostatic equilibrium?📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q4. A capacitor of capacitance C is connected to a potential difference V. State its stored energy.📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q5. Define electric flux.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q6. State Gauss's law in integral form.📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q7. What happens to the capacitance of a parallel-plate capacitor when a dielectric is inserted?📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q8. Two equal charges are placed symmetrically about a point. What can be said about the net electric field at the midpoint?📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q9. A capacitor stores charge Q at potential V. Express its energy in terms of Q and V.📘 Ch. 1 — Electric Charges and Fields📕 KV Academy Original

Q10. Explain why electrostatic shielding protects a region from external electric fields.📘 Ch. 2 — Electrostatic Potential and Capacitance📕 KV Academy Original

Q1. Define molar conductivity.📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q2. Write the SI unit of conductivity.📘 Ch. 1 — Solutions📕 KV Academy Original

Q3. What happens to the conductivity of a solution on dilution?📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q4. Why does a strong electrolyte show a high degree of ionisation in solution?📘 Ch. 1 — Solutions📕 KV Academy Original

Q5. Define oxidation in electrochemical terms.📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q6. State the relation between Gibbs energy and cell potential.📘 Ch. 1 — Solutions📕 KV Academy Original

Q7. What is meant by standard electrode potential?📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q8. Explain why a salt bridge is used in a galvanic cell.📘 Ch. 1 — Solutions📕 KV Academy Original

Q9. Differentiate between molarity and molality.📘 Ch. 2 — Electrochemistry📕 KV Academy Original

Q10. Why does adding a non-volatile solute affect the vapour pressure of a solution?📘 Ch. 1 — Solutions📕 KV Academy Original