Questions

When did the U.S join WW-1?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
My father did not approve ______ the plan of travelling to Uttarakhand because of bad weather there.

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.
He shall have bought a car.

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

Gol Gumbaz was designed by?

A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is

Which among the given options is IBMs Supercomputer?

Which industrial revolution can be called the Digital Revolution?