Question

In an entrance exam test Rahul and mridul got marks in their ratio 3:7. If the sum of their marks is 200, find their individual marks

Answer 1

Answer:

Question :

In an entrance exam test Rahul and mridul got marks in their ratio 3:7. If the sum of their marks is 200, find their individual marks.

Answer :

$Now \: let \: us \: add \: \\ the \: number \: of \: parts. \\ \\ Number \: of \: parts \: \\ \\ = 3 + 7 \\ \\ = 10 \\ \\ Now \: 10 \: parts \: = \: 200 \\ \\ \: \\ \\ One \: part \: = \: \frac{200}{10} \\ \\ = 20 \: marks \\ \\ marks \: got \: by \: Rahul \: = 3 \times 20 \\ \\ = 60 \: marks \\ \\ marks \: got \: by \: Mridul \: = 7 \times 20 \\ \\ = 140 \: marks \\ \\ \\ \\ Now \: we \: got \: the \: answer.. \\ \\ the \: sum \: of \: their \: marks \: \\ \\ = 60 + 140 \\ \\ = 200$