Ratio and Proportion - General Questions

Find the mean proportional between 4 and 9.

Find the fourth proportional to 3, 10 and 6.

A bag has Re. 1, 50 paise and 25 paise coins in the ratio 4 : 4 : 5. The total value is Rs. 232. How many 50 paise coins are there?

Divide Rs. 17,600 between A and B in the ratio 7 : 4. What is A's share?

Divide Rs. 7,800 between A and B in the ratio 9 : 4. What is A's share?