The simple interest on a sum of money for 10 year is Rs. 3130. If the principal becomes 5 times after 5 years, then what will be the total interest (in Rs) obtained after 10 years? 

Find out the H.C.F of 306, 204 and 136.

A man borrowed some money from a private organisation at 5 % simple interest per annum. He landed this money to another person at 10% compound interest per annum, and made a profit of Rs. 26,410 in 4 years. The man borrowed 

Train Passes by a lamp post at platform in 7 sec. and passes by the platform completely in 28 sec. If the length of the platform is 390 m,then length of train (in meter) is

In the given figure ABCD is a Parallelogram then the find out of the value of x is?

If a : b =4 : 5, b: c=20 : 11 and c:d =6 : 7, then value of a : b : c : d will be

An alloy contains zinc, copper and tin in the ratio 2:3:1 and an other contains copper, tin and lead in the ratio 5:4:3. If equal weights of both alloys are melted together to form a third alloy, then the weight of lead per kg in the new alloy will be.