LoyalWater wrote:

Is the number x is divisible by 9.

1. The number x can be obtained by taking the difference between a number and

another one obtained by reversing the digits.

2. The sum of the digits of x is divisible by 9.

(A)

(B)

(C)

(D)

(E)

- Vishal

It should be D

1) ab is the number and ba is reverse number

10a+b -( 10b+a)= 9(a-b) clearly divisble by 9

Sufficient

2) say abc is the number

given a+b+c =9k

100a+10b+c = 99a+9b+(a+b+c) = 99a+9b+9k -->clearly divisible by 9

sufficient

D

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