Question

A natural number, when increased by 12,equals 160 times its reciprocal .Find the number.

Answer 1

Let the no. Be a

According to question
a + 12 = 160 * 1/a
=> a + 12 = 160/a
=> a^2 +12a - 160 = 0
=> a ^2 +20a - 8a - 160 = 0
=> a(a+20) - 8(a+20) = 0
=> (a - 8)(a+ 20) = 0

a= 8 and - 20

But a is a natural no.
So,

a= 8

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Answer 2

Answer:

expressing or meaning a refusal or denial. a negative answer. 2 lacking positive or affirmative qualities, such as enthusiasm, interest, or optimism. 3 showing or tending towards opposition or resistance