Questions

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

Each of the questions below consists of a question and two statements numbered, I and II given below it. You have to decide whether the data given in the statements are sufficient to answer the question. Read both statements and choose the most appropriate option. Among M, N, D, P and K, who earns more than only the least earner among them?

I. N earns more than M and P but less than only D.
II. M earns more than P who earns more than K.

The diagonal of a cube is 192 cm. Its volume in cm3 will be 

If one more baker is hired the output of a bakery will increase from 1250 breads to 1400 breads per day, but then the bakery will have to reduce the price of the bread from Rs 15 to Rs 14 per unit to sell the additional output, the marginal revenue product of the last baker is _______.

Rusting is _____.

Which method will be employed to test the hardness of water?

The passage of an electric current through a conducting liquid causes ___________.

Earth's crust mainly contains ______.