Numbers

Q1: How many of the following numbers are divisible by 3 but not by 9 ?
2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276

A 5

B 6

C 7

D None of these

ANS:B - 6

Marking (/) those which are are divisible by 3 by not by 9 and the others by (X), by taking the sum of digits, we get:s 2133 9 (X) 2343 12 (/) 3474 18 (X) 4131 9 (X) 5286 21 (/) 5340 12 (/) 6336 18 (X) 7347 21 (/) 8115 15 (/) 9276 24 (/) Required number of numbers = 6.

Share :

img not found

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.