Exams

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.

In a certain code, RIPPLE is written as 613382, PREACH is coded as 362457. How is PILLER written in that code?

If price of an article decreases from Rs 100 to Rs 80, when quantity demanded increases from Q1 units to 4600 units, and if point elasticity of demand is 0.75 find Q1?

Who was conferred with the 2017 Nobel Prize for Literature?

Simple interest on a certain sum of money for 3 years at 14% per annum is half the compound interest on Rs. 10000 for 2 years at 10% per annum. The sum placed on simple interest is

The average weight of 3 men A, B and C is 84 Kg. Another man D joins the group and the average now becomes 80 Kg. If another man E whose weight is 3 Kg more than that of D, replaces A then the average weight of B, C, D and E becomes 79 Kg. What is the weight of A?

Magnetite is an ore/mineral of

Name the first Indian to get Nobel prize in economics.