Question

5) The smallest number by which 147 must be multiplied so that it becomes
a perfect square is
O A)1
OB) 3
O C) 5
O D7​

Answer 1

Answer:

answer is 3

Step-by-step explanation:

147×3 = 441

441=21²

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Answer 2

LET US CROSS CHECK THE OPTIONS

FOR BETTER ANSWER -

(1) . 147×1 = 147

147 is not a perfect square hence the option

is wrong .

(2). 147 × 3 = 441

441 is a square of 21 so the option is correct .

we have to find the smallest number after option 2 all are bigger numbers .

HENCE OPTION 2 IS THE CORRECT ANSWER.

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