Question

Ranga got thrice as many sums wrong as he got right in a mathematics assignment. If he

attempted 72 sums in all, how many did he solve correctly in his mathematics assignment?

Answer 1

He solve 18 sums correctly in his mathematics assignment

Step-by-step explanation:

let the number of answers got correct by Ranga be x

Ranga got thrice as many sums wrong as he got right in a mathematics assignment

then ,

number of wrong answers in the mathematics assignment = 3x

since , he attempted total sums = 72

then,

x+3x= 72

4x= 72

x = $\frac{72}{4}$

x= 18

correct answers = 18

wrong answers = 3x = 3× 18 = 54

hence,

He solve 18 sums correctly in his mathematics assignment

#Learn more:

A boy got twice as many sums wrong as he got right. if he attempted 51 sums in all, how many did he sovle correctly?

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