What will be the compound interest of Rs 160000 payable half yearly at 10% per annum in 2 years?

A lends 2500 to B and a certain sum to C at the same time at 7% annual simple interest. If after 4 years, A altogether receives 1120 as interest from B and C, the sum lent to C is-

A sum triple itself in 9 years at simple interest. Find the rate of interest per annum is.

A dozen pair of socks quoted at ₹ 80 are available at a discount of 10%. How many pairs of socks can be bought for ₹24?

What is the smallest number to be added to 2203, so that we get the sum of a perfect square number?

Solve: 12–[26–{2+5×(6–3)}]

A cube has sides that are 4 cm each, and the dimensions of a cuboid are 2cm x 3cm x 4cm. Find the positive difference between the volume of the cube and that of the cuboid.

A travels 25% faster than B. They started their journey from a point P to another point Q and reach at the same time on point Q. Distance between P and Q is 85 km. On the way, however, A lost about 20 minutes while stopping for petrol. What was the speed of B?