Question

if 1=9, 2=?, 3=21 Find this let's know who is intelligent
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Answer 1

1 * 9 = 9

2 * 8 = 16

3 * 7 = 21

Therefore, answer is 16

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Answer 2

Answer:

the answer of this question is 15

as 1= 3x3=9

2=3x5=15

3=3x7=21

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