Question

In a class jyoti got 66% of max marks and in same class surendar got 80% of max marks.If surender got 21 more marks in comparison to jyoti then find the how much jyoti obtained less marks from the total marks ?

Answer 1

Answer:

Step-by-step explanation:

Let total marks = X

Jpoti's marks= X*66/100=33/66X

Surender's marks= X*80/100=4/5X

A/Q 4/5X-33/50X=21

Or 40X-33X/50 =21

therefore X =21*50/7=150

Required answer 51