Questions

Calculate the frequency (in Hz) of a sound wave of wavelength 4m travelling with a speed of 200 m/s.

Which of the following statements is incorrect?

Who was elected the President of All India Workers and Peasants Party in Calcutta in 1928?

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.
Common adverse __________ of this medication include, bleeding, nausea and vomiting.

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".
After they (had finished) eating they went for a walk.

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

In the following question, out of the four alternatives, choose the alternative which best expresses the meaning of the idiom/Phrase.

Go to rack and ruin