Who was the first woman IPS of India?

Directions : In the following questions, a sentence is divided into five parts with one of the parts of each sentence is highlighted in bold suggesting the grammatically correct part of the sentence. Out of the four other parts, choose the part of the sentence which contains grammatical or contextual error in it. If the given sentence is both grammatically correct and contextually meaningful, choose option (E) i.e., “No error” as your answer.

All six writers (A)/ who made it to the finals (B)/ of the Booker’s prize (C)/ are from the UK, (D)/ the US, and Canada.

If * means adding 6 times the second number to the first number then ( 1 * 2 ) *   3 equals : 

______ are the oldest living tree species on Earth.

Select the related word/letters/number from the given alternatives.

SPINSTER : ROHMRSDQ : : SEMESTER : ?