Questions

If 4x2 - 12x + k is a perfect square, then the value of k is

5% more is gained by selling a watch for Rs. 350 than by selling it for Rs. 340. The cost price of the watch is

Big landlords or warrior chiefs in the seventh century were acknowledged as _________ by the existing kings?

Mir Hassan Dehlavi was in the court of which of the following?

Who invented Helicopter?

In which field did Amartya Sen win the Nobel Prize ?

The amount of BaSO4 formed on mixing an aqueous solution of 2.08 gm of BaCl2 and excess of dilute H2SO4 is ___.

(atomic weights : Ba = 137, Cl = 35.5, S = 32, O = 16)

In the following question, out of the given four alternatives, select the alternative which best expresses the meaning of the Idiom/Phrase.

Up against the wall