₹ 500 was invested at 12 % per annum simple interest and another certain sum of money invested at 10 % per annum simple interest . If the total interest on both the sum after 4 years is 480, the latter sum of money is

If in a triangle, the orthocenter lies on vertex, then the triangle is 

A number when divided by 192 gives a remainder of 54. What remainder would be obtained on dividing the same number by 16 ?

The third proportional of two numbers 4 and 20 is

$${I.{(13)^{2}}-14+28=x}$$
$${II.{(16)^{2}}-8×7=y}$$

The least number that should be added to 2,397 so that the sum is exactly divisible by 3, 4, 5 and 6 ?

The marked price of a Bike was Rs.22500. After allowing two successive discounts, it was sold for Rs.17595. If the second discount was 8%, then what was the first discount?

A merchant loses 10% by selling an article. If the cost price of the article is ₹ 15, then the selling price of the article is