Ryan got of the problems correct on a -problem test

MATHEMATICS · Numerical · CBSE · Mathematics · Fractions in Disguise · Fractions in Disguise

Problem

Ryan got

80\%

of the problems correct on a

25

-problem test,

90\%

on a

40

-problem test, and

70\%

on a

10

-problem test. What percent of all the problems did Ryan answer correctly?