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Class 7–8 Maths quiz — 27 October 2026

Questions and answers from this day. Play today's quiz to build your streak.

Question 1 · Integers

What is −3 + 12 − (−8)?

  1. A. 17 ✓
  2. B. −1
  3. C. −23
  4. D. 1

Answer: 17. Subtracting a negative adds: −3 + 12 + 8 = 17.

Question 2 · Square roots

What is the square root of 225?

  1. A. 15 ✓
  2. B. 17
  3. C. 14
  4. D. 30

Answer: 15. 15 × 15 = 225, so √225 = 15.

Question 3 · Averages

What is the average of 68, 79, 76, 77 and 65?

  1. A. 71
  2. B. 73 ✓
  3. C. 91
  4. D. 74

Answer: 73. Add the numbers: 68 + 79 + 76 + 77 + 65 = 365. Divide by 5: 365 ÷ 5 = 73.

Question 4 · Simple interest

Find the simple interest on ₹4,000 at 9% per year for 3 years.

  1. A. ₹1,080 ✓
  2. B. ₹108
  3. C. ₹10,800
  4. D. ₹1,480

Answer: ₹1,080. Simple interest = P × R × T ÷ 100 = 4000 × 9 × 3 ÷ 100 = ₹1,080.

Question 5 · Exponents

What is 5^4 × 5^3?

  1. A. 78125 ✓
  2. B. 244140625
  3. C. 390625
  4. D. 15625

Answer: 78125. When you multiply powers of the same base, add the exponents: 5^7 = 78125.

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