Questions

There are two elements-calcium (atomic number 20) and argon (atomic number 18). The mass number of both the elements is 40. They are therefore known as

The melting point of ice is ____ K.

If {12(a-b)}2+ab=p(a+b)2, then the value of p is 

Which blood group is called universal donor?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Ended in a fiasco

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
My mother said to me, "You will regret your actions."

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

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

Foot the bill