1.

In a class of 40 students `1/5`of the total number of studetns like to study English, `2/5`of the total number like to study mathematics and the remaining students like to study Science.

Answer» Total number of students `= 40`
Total number of students who like to study English ` = 1/5**40 = 8`
Total number of students who like to study Maths` = 2/5**40 = 16`
Fraction of total number of students who like to study Science` = 1-(1/5+2/5) = 1-3/5 = 2/5`


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