Q579
350 + 926 + 2718 + 928 + 929 is divisible by which of the following integers?
A.
11
AnswerB.
5
C.
7
D.
2
Answer: Option A
Solution
Answer: Option A
Solution:
350 + 926 + 2718 + 928 + 929= 350 + 352 + 354 + 356 + 358
= 350[1 + 32 + 34 + 36 + 38]
= 350[1 + 9 + 81 + 729 + 6561]
= 350 × 7381
This no will be divided by 5, 7, 2, 50 it will be divisible by 11.