Questions

If sinθ+ cosecθ=2, then the value of sin-7∅+cosec7∅ 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 thefour 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 tobe 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. Tolower the flame, the valve had to be _________ opened to reduce the pressure and then tightened until the desired flame size was achieved. _________ you wanted theflame to be bigger, you had to hit the piston again. Pump stoves are still in vogue.

had to be _________ opened to reduce

The element with the highest electron affinity among halogens is

Sundarbans Tiger Reserve is in which state?

A human body works within the pH range of

Which of the following function is performed by the kidneys in the human body?

Ringworm is a disease caused by

Which of the following was published by Gandhji during his stay in South Africa?