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Question

Two numbers differ by 4 and their product is 192. Then the numbers are 12, 16.

A
True
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B
False
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Solution

The correct option is A True
Given,

ab=4......(1)

ab=192

We know that,

(a+b)2+(ab)2=4ab

(a+b)2+42=4(192)

(a+b)2=784

a+b=28....(2)

Adding (1) and (2), we get:
2a=32
a=16
Substituting value of a in (1), we get:
16b=4
b=12

So, a=16,b=12

Hence, the given statement is true.

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