Question

Find the number which when increased by 1.5% become 406

Answer 1

Let the number be x
x+ 1.5/100× x = 406
101.5x/100 = 406
x = 400
therefore the number is 400

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Answer 2

The number is 400

Step-by-step explanation:

Let the number be x

We are given that the number is increased by 1.5%

So, Increased number =$x+1.5\%x=x+\frac{1.5}{100}x=1.015x$

We are given that  the number which when increased by 1.5% become 406

So,$1.015x = 406$

$x=\frac{406}{1.015}$

x=400

Hence The number is 400

#Learn more:

0.2% of a number is 5. Find the number.

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