Question 5 - Figure it out - Page 114, 115 - Chapter 5 Class 6 - Prime Time (Ganita Prakash)

Last updated at August 14, 2026 by

[Class 6] Write three pairs of prime numbers less than 20 whose sum - Figure it out - Page 114, 115

part 2 - Question 5 - Figure it out - Page 114, 115 - Chapter 5 Class 6 - Prime Time (Ganita Prakash) - Class 6 (Ganita Prakash & Old NCERT)

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Transcript

Question 5 Write three pairs of prime numbers less than 20 whose sum is a multiple of 5.Prime numbers less than 20 are 2, 3, 5, 7, 11, 13, 17, 19 We need to find pairs of above numbers such that sum is a multiple of 5, i.e. sum is 5, 10, 15, 20, 25, …. Possible pairs could be 2 + 3 = 5 3 + 7 = 10 3 + 17 = 20 7 + 13 = 20 11 + 19 = 30 13 + 17 = 30

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