Question

First to answer correct will be the baranist .the ratio of students who wear spectacles is 2:5.

1.what is the ratio of students who wear speactacles and those who dont.
2.if there are 15 students who dont wear speactacles ,how many students wear speactacles in the class.
3.how many students are there in class

Answer 1

1) Who wear: 2:5

Whi don't wear: 3:5

2) 10 don't wear spectacles

3) 25

Hope it helps!!!