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Aptitude · Q78

Number System

Competitive Exams · Aptitude · question 78

Q78

The remainder when 30 + 31 + 32 + 33 + . . . . . . . + 3200 is divided by 13 is:

A.
0
Answer
B.
4
C.
3
D.
12
E.
None of these

Answer: Option A

Solution

Answer: Option A
Solution:

Since, (An - Bn) is divisible by (A - B), So, (2767 - 13) is divisible by (27 - 1) = 26
Hence, Expression is also divisible by 13 as it is divisible by 26
Thus given expression is divisible by 13 so the remainder will be 0