Questions

If cos(A-B) - cos(A+B) = x, then the value of x is

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word.

Acceleration is

Which of these is a dwarf planet?

Study the Bar diagram carefully and answer the questions. The Bar diagram shows the trends of foreign direct investment (FDI) into India from all over the World (in Rs. crores).

The ratio of investment in 1997 to the average investment is

The gas evolved when sodium carbonate reacts with hydrochloric acid is

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

When the kerosene burned, the fuel in the tank below would be __________ pressure, and __________a small circular flame would appear in the burner.The valve had to be opened to let more kerosene vapour to the burner and pumping resumed. With the increase in pressure, the burner flame would spread _________ a loud noise. To lower the flame,the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted the flame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

below would be __________ pressure

The second equation of motion gives the relation between