1.

Test divisibility of 7640 by 8, without division.

Answer»

Test divisibility by 8 In number. 7640 number formed by digits of hundred tens and ones place = 640 

Dividing 640 by 8 

640 ÷ 8 = 80 

Which is divisible by 8. 

Thus, 7640 will be divisible by 8.



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