Do you remember the ‘Jump Jackpot’ game from Grade 6 (see the chapter ‘Prime Time’)? Class 7

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Maths Class 7 Maths 103 views Jun 10, 2026 Reviewed & updated Sep 17, 2026
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Do you remember the ‘Jump Jackpot’ game from Grade 6 (see the chapter ‘Prime Time’)? Class 7

Question 1.

Do you remember the ‘Jump Jackpot’ game from Grade 6 (see the chapter ‘Prime Time’)? Grumpy places a treasure on a number and Jumpy chooses a jump size and tries to collect the treasure. In each case below, the two numbers upon which treasures are kept are given. Find the longest jump size (starting from 0) using which Jumpy can land on both the numbers having the treasure. Class 7

(a) 14 and 30

(b) 7 and 11

(c) 30 and 50

(d) 28 and 42

Solution:

(a) 2

(b) 1

(c) 10

(d) 14

Question 2.

Is the longest jump size for the numbers the same as their HCF? Explain why it is so. Class 7

Solution:

Yes. Do as directed. Because, it divides both the numbers.

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