A question bank has questions of Physics and Chemistry. The number of questions of Chemistry are 3.5times the number of questions of Physics. If there are 90 questions in the question , bank find the number of questions of Physics and Chemistry in the question bank .

A question bank has questions of Physics and Chemistry. The number of

1.	A question bank has questions of Physics and Chemistry. The number of questions of Chemistry are 3.5times the number of questions of Physics. If there are 90 questions in the question , bank find the number of questions of Physics and Chemistry in the question bank .
Answer» Answer :20 QUESTIONS on Physics and 70 questions on CHEMISTRY