Questions

Bubbles of air rise up through liquids due to

Iftan 450=cot∅, then the value of ∅, in radians is 

√(cosec2 -­ 1)/cosecA is equal to?

Who pioneered diagnostic ultrasound?

Which Bollywood actor was honoured with the 24th Crystal Award at the world Economic Forum meeting in January 2018?

Out of the four alternatives, choose the one which can be substituted for the given words/sentences and click the button corresponding to it.

Action that is likely to make people very angry

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Vigilance

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

A city that is set on a hill cannot be hidden.