Questions

Gautam travels 160 kms at 32 kmph and returns at 40 kmph. Then average speed is

Who invented the pendulum clock?

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

Ravi had committed a mistake.

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

We are ____ in a time of great and _____changes. The most obvious _____of the modern world is the _____development of science and technology. This has given man a deeper _____of nature.

time of great and _____changes

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.

Delusion of suffering from a disease

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".
Would you mind (to carrying) this bag for me.

Limonitic ore is the ore of which metal?

Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s