Select the word with the correct spelling.

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice.
One must keep one's promises.

Rearrange the parts of the sentence in correct order
Taken together, this
P­gives a total global
Q­stockpile of almost 1,900 tons of
R­nuclear weapons­usable material

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Crocodile tears

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one, which best express the same sentence in Indirect/Direct speech.
The professor told the class, "Ice floats on water".