Exams

A right circular solid cylinder has radius of base 7 cm and height is 28 cm. It is melted to form a cuboid such that the ratio of its side is 2 : 3 : 6. What is the total surface area (in cm2) cuboid?

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

Build castles in the air

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

My tooth-brush is a thing that haunts me when I’m travelling, and ____________ my life a misery. I _____________ that I haven’t packed it, and wake up in a cold ________________, and get out of bed and hunt for it. And, in the morning, I pack it before I have used it, and have to unpack again to get it, and it is always the last thing I turn out of the bag; and _____________ I repack and forget it, and have to rush upstairs ___________ it at the last moment and carry it to the railway station, wrapped up in my pocket-handkerchief. Of course I had to turn every mortal thing out now, and, of course, I could not find it.

I turn out of the bag; and _____________ I repack and forget it,

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

Lose face

If (tanA ­- tanB)/(1 + tanAtanB) = x, then the value of x is

A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?

If secA/√(sec2A ­- 1) = x, then value of x is

Cryogenics is a branch of Physics that deal with ______.