Write five pairs of prime numbers less than 20 whose sum is divisible by 5 . (Hint : $ 3+7=10 $ )

AcademicMathematicsNCERTClass 6

To do :

We have to find write five pairs of prime numbers less than 20 whose sum is divisible by 5.

Solution :

The five pairs of prime numbers less than 20 whose sum is divisible by 5 are:

$2 + 3 = 5$

$2 + 13 = 15$

$3 + 7 = 10$

$3 + 17 = 20$

$7 + 13 = 20$

$11 + 19 = 30$

$13 + 17 = 30$

raja
Updated on 10-Oct-2022 13:30:11

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