Question

Lakshmi,Sita and Radha are friends studying in the same class.in a class test in geography Lakshmi got 16 out of 25, Sita got 20 out of 25. Their average score was 19 . How much did Radha sore in the geography test????

Answer 1

Let Radha got X
So, (16+25+X)/3=19
So X=16

Answer 2

let us assume that radha got x marks
marks of lakshmi=16
marks of sita=20
accoeding to problem,
16+25+x/3=19
41+x=57
x=16