Questions

A solid sphere of radius 6 cm is melted and re-casted into a hollow cylinder of uniform thickness. If the external radius of the base of the cylinder is 5 cm and its height is 32 cm, find the uniform thickness of the cylinder ?

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

Find out the odd word/letters/number/number pair from the given alternatives.

Sher Khan defeated _________ at Chausa (1539) and Kanauj (1540), forcing him to flee to Iran.

In the following questions, 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.

Education is for life, not merely for a livelihood. As long as we are unmindful of this _____, the _____ of our educational curriculum as well as that of our _____ and students is likely to remain _____. It is not enough for a society to have experts. It needs human beings who can think, feel and act generously, the kind of people who cannot be replaced by computers and _____.

that of our _____ and students

In the following question, out of the four alternatives, choose the word which is opposite in meaning to the given word and click the button corresponding to it.

QUIESCENT

Prothrombin, responsible for clotting of blood is released by_____.

In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?