Welcome to your Quantitative Aptitude Mock Test 8

A bag contains red, blue, and green marbles in the ratio 2:3:4. If there are 12 red marbles, how many marbles are there in the bag?

Hint

A man earns Rs. 12000 per month. He spends 60% of his income on rent and food, 20% of his income on travel and other expenses, and saves the rest. How much money does he save each month?

Hint