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Class 7–8 Maths quiz — 16 October 2026

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

Question 1 · Simple interest

Find the simple interest on ₹1,000 at 4% per year for 2 years.

  1. A. ₹8
  2. B. ₹180
  3. C. ₹80 ✓
  4. D. ₹1,080

Answer: ₹80. Simple interest = P × R × T ÷ 100 = 1000 × 4 × 2 ÷ 100 = ₹80.

Question 2 · Triangle area

A triangle has a base of 26 cm and a height of 5 cm. What is its area?

  1. A. 39 cm²
  2. B. 260 cm²
  3. C. 65 cm² ✓
  4. D. 70 cm²

Answer: 65 cm². Area = ½ × base × height = ½ × 26 × 5 = 65 cm².

Question 3 · Averages

What is the average of 76, 60, 74, 62 and 83?

  1. A. 71 ✓
  2. B. 69
  3. C. 70
  4. D. 73

Answer: 71. Add the numbers: 76 + 60 + 74 + 62 + 83 = 355. Divide by 5: 355 ÷ 5 = 71.

Question 4 · Exponents

What is 3^2 × 3^3?

  1. A. 15
  2. B. 36
  3. C. 243 ✓
  4. D. 729

Answer: 243. When you multiply powers of the same base, add the exponents: 3^5 = 243.

Question 5 · Discounts

A jacket costs ₹1,100. After a 25% discount, what do you pay?

  1. A. ₹275
  2. B. ₹1,375
  3. C. ₹825 ✓
  4. D. ₹775

Answer: ₹825. 25% of ₹1,100 = ₹275. ₹1,100 − ₹275 = ₹825.

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