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Question

If 3y2(mod6), then the value of y is

A
2
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B
4
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C
5
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D
6
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Solution

The correct option is B 5
Given, 3 y2(mod 6)

3 y20(mod 6)
6 divides (3 y2)

(3 y2)=6x
3+y2=6 for x=1

y=5

Hence, option C is correct.

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