Question

The number of students in a school increase by 8%, annually. If there are 71280 students in the school, then how many students were there last year?

Answer 1

umber of students increasing 8% annually,

there fore:-

let consider total number of students was= 100,

hence current year number of students is = (100+8) { 8% increases Annually},

Here,l:---

108 are current student , previous were=100

if current students are 71280, then last years students number=100÷108×71280 =66000,

Ans:-In the last year 66000 students were there .