Question

The square of a positive number is 2000% greater than the number itself, then the square of that number is :
A.1762
B.1635
C.441
D.139

Answer 1

______✨ HEY MATE ✨______

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SOLUTION :-
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Let the positive number be X.
According to the question,
X * X = X + (X*2000)/100
X2 = X + 20X
X2 - 21X = 0
X *(X - 21) = 0 
Either,
X = 0, OR 
X = 21
21 is the possible value. Then square of 21 is 441.

So , Option (C) is the right answer ✔️

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Answer 2

Hi!!!


★ Refer to the attachment ★