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Gyaan Maths
CBSE · Class 6-12
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CBSE Maths · Class 8

Chapter 5: Number Play

Name: ________________________
Date: ______________
Marks: ____ / 5

Number puzzles, divisibility, and digit patterns.

Questions

  1. Divisibility test for 8?
  2. Is 1210 divisible by 11?
  3. Divisible by both 3 and 5, so by?
  4. Reverse 47; difference?
  5. Smallest 4-digit number divisible by 9?

Extra Practice (Optional)

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Answer Key (For Teachers)

  1. Answer: Last 3 digits by 8
    Working: Last 3 digits.
  2. Answer: Yes
    Working: 1−2+1−0=01-2+1-0=0.
  3. Answer: 1515
    Working: Product coprime factors.
  4. Answer: 2727 (divisible by 9)
    Working: 74−4774-47.
  5. Answer: 10081008
    Working: 10081008.
Gyaan Maths · CBSE Class 8 · Chapter 5
Gyaan Maths — CBSE Class 6-12, built for board-toppers.
v1.1 · Sept 2026