Instructions

A question is followed by data in the form of two statements labelled as I and II. You must decide whether the data given in the statements are sufficient to answer the questions.

Question 7

Is $$525 \times k$$ a perfect square?
I. $$21 \mid k$$
II. k = 21

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TS ICET 2015

Is $$525 \times k$$ a perfect square?I. $$21 \mid k$$II. k = 21

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Is $$525 \times k$$ a perfect square?
I. $$21 \mid k$$
II. k = 21