Q.


An integer is divisible by 16 if and only if its last …… digits are divisible by 16.

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a

3

b

4

c

5

d

6 

answer is B.

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Detailed Solution

According to Rule 16 of Divisibility,
A number is divisible by 16, when last 4 digits of number are divided by 16.
Suppose a number is 984864. Now the last four digit of this number are 4864
486416=304
As, the last four digit are divided by 16. So, the given number is divided by 16.
98486416=61554
So, we need to divide last 4 digit by 16 to find if a number is divisible by 16 or not.
Correct option is 2.
 
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