RRB RPF RPSF SI and CONS Model Papers 1 with solutions

Question : 17 of 120

Marks: +1, -0

When 'n' is divisible by 5 the remainder is 2. What is the remainder when

n ^2

is divided by 5?

Solution:

(d) Required remainder = Remainder obtained by dividing

2 ^ { 2 }

by 5
Remainder = 4

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