Chemical Engineering > GATE 2017 > Numerical Aptitude

Contributed by: Dr. Sarah Chen

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The last digit of (2171)⁷ + (2172)⁹ + (2173)¹¹ + (2174)¹³ is

A

(A) 2

B

(B) 4

C

(C) 6

D

(D) 8

Check Answer

Explanation

Correct : b

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