The solution of is:

In a bag, there are coins of 5, 2 and 1 Rs. in the ratio 2:3:5. If the bag contains Rs 10,500 in all, then how many 2 rupee coins are there?

Anup is four times as old as his son. If the sum of their ages is 50, find their ages.

If    then x is:

5 years ago a man was 7 times as old as his son . He will be 3 times as old as his son after 5 years. Find their present ages.

A streamer goes downstream and cover the distance between two ports in 4 hours while it cover the same distance upstream in 5 hours. If the speed of the stream izs 2 km.per hour, then the speed of the streamer in still water is _____________

A nu7mber consists of two digits whose sum is 9. If 27 is subtracted from the original number. its digits are interchanged. Then the original number is___________________.

The sum of two numbers is 2490. If 6.5% of one number is equal to 8.5% of the other, the numbers are ______________

If     then x is:

A two digit number is four times the sum of its digits and twice the product of the digits. Find the number.