If abc is a three digit number, then the number abc – a – b – c

1.	If abc is a three digit number, then the number abc – a – b – c is divisible by(a) 9 (b) 90 (c) 10 (d) 11
Answer» The correct answer is option (a) 9 Explanation: We know that the general form of abc is 100a+10b+c Then the given number is abc – a – b – c =100a+10b+c – a – b- c By simplifying the above expression, we will get abc – a – b – c = 9(11a+b) Hence, then number abc – a – b – c is divisible by 9.

If abc is a three digit number, then the number abc – a – b – c is divisible by(a) 9 (b) 90 (c) 10 (d) 11

Answer»

The correct answer is option (a) 9

Explanation:

We know that the general form of abc is 100a+10b+c

Then the given number is abc – a – b – c =100a+10b+c – a – b- c

By simplifying the above expression, we will get

abc – a – b – c = 9(11a+b)

Hence, then number abc – a – b – c is divisible by 9.