Question

1. 128 is divisible by
(a) 2
(b) 3
(c) 5
(d)10
​

Answer 1

Answer:

128 is divisible by 2 so, the answer is 2

Step-by-step explanation:

hope,it help you

Answer 2

Given :  The number 128

To Find : number 128  is divisible by

2

3

5

10

Solution:

A number is divisible by 2 if unit digit is even or divisible by 2

unit digit is 0 ,2  ,4 , 6 or 8

128 has unit digit   8  

hence divisible by 2

A number is divisible by 3 if sum of its digit is divisible by 3

1 + 2+ 8 = 11

11 is not divisible by 3

Hence 128 is not divisible by 3

A number is divisible by 5 unit digit is  divisible by 5  or

unit digit is 0 or 5

Hence 128 is not divisible by 5

A number is divisible by 10 if unit digit is 0

Hence 128 is not divisible by  10.

Correct option is

128 is divisible by 2

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