Ratio and Proportion - General Questions

A bag has Re. 1, 50 paise and 25 paise coins in the ratio 4 : 3 : 2. The total value is Rs. 186. How many 50 paise coins are there?

Find the mean proportional between 144 and 49.

Find the fourth proportional to 11, 5 and 11.

A bag has Re. 1, 50 paise and 25 paise coins in the ratio 5 : 1 : 1. The total value is Rs. 69. How many 50 paise coins are there?

Divide Rs. 2,000 between A and B in the ratio 3 : 7. What is A's share?