Question

1.a number increased by 20% gives 42 the number is
please help me
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Answer 1

Answer:

Let the number be n. 20% of n is n×20/100=n×0.2. If you increase n by 20 %, then it will be n+0.2n=n(1+0.2)=1.2n

It is given

1.2n=42

n=42/1.2=420/12=70/2=35 Ans