Question

Sum of two natural number is 20 while their difference is 4 find the number

Answer 1

let bigger no. be 'x'

then according to the question smaller no. is equal to 20-x

difference between two numbers is 4.

so,

x-(20-x)=4

x-20+x= 4

2x-20=4

2x=24

x=12

thus, bigger no. is 12 and smaller no. is 20-12 i.e 8

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