Mr. A lends 40% of sum at 15% p.a. 50% of rest sum at 10% p.a. and the rest at 18% p.a. rate of interest. What would be the rate of interest if the interest is calculated on the whole sum ?
What will be the difference between the interest accrued on a sum of Rs. 4500 at 12% per annum for 2 years and that on a sum of Rs. 5600 at 9% per annum for 2 years ?
A sum of Rs. 16800 is divided into two parts. One part is lent at the simple interest of 6% per annum and the other at 8% per annum. After 2 years total sum received is Rs. 19000. The sum lent at 6% of simple interest is
In a right angle triangle XYZ, measure of angle X is 30 ∘ . Also, if XY =√6 Find the value of YZ.
A vegetable vendor buys 5 kg of one variety of potatoes at Rs. 10.50 per kg, and 2 kg of another variety at Rs. 12.60 per kg. He mixes both the varieties of potatoes by taking 3kg from the former variety and 1 kg of the latter variety. He then sells these potatoes at Rs. 20 per kg. Find the amount of profit gained by Him.
