Question

the sum of a number and 6% of itself is 42.4. Find the number

Answer 1

let the number be x
6% of x is equal to 6x/100
according to question
x+6x/100=424/10
=106x/100=424/10
=×=424×100/106×10
=x=40
hence the number is 40

Answer 2

• Let the no. be x.
• 6% of no.

      = 6/100 x x

      = 3x/50

A/Q, x + 3x/50  = 42.4

⇒ 53 x /50 = 424/10

⇒ x = 424/10 × 50/53

∴ x = 40

No. = 40

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