Questions

A and B together can finish a work in 30 days. They worked for it for 20 days and then B left the work. The remaining work was done by A alone in 20 days more. In how many days can A alone finish the work?

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.

would spread _________ a loud noise.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.

The Principal said to us, "Today you will get your diplomas."

For what is Radiocarbon dating technique used?

A body of mass 6 kg accelerates from 6 m/s to 18 m/s in 3 seconds due to the application of a force on it. Calculate the magnitude of this force (in N).

The  rank  of  Captain  of  the  Indian  Navy  is equivalent to which one of the following?

Gurinder Chadha, a Britisher of Indian-origin, has been honoured with the Sikh Jewel Award for 2017. In what line is Gurinder famous?

Where in the World can we find the Nobel museum?