Exams

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

W_YZ_X_ZW_Y_

A = (x8 – 1)/(x4 + 1) and B = (y4 – 1)/(y2 + 1). If x = 2 and y = 9, then what is the value ofA2 + 2AB + AB2?

A square playground measures 1127.6164 sq.m. If a man walks 2 9/20 m a minute, the time taken by him to walk one round around it is approximately.

......... is a deliquescent compound.

(secA - 1)/(secA + 1) is equal to?

Where was Guru Nanak Dev (the originator of Sikh religion) born?

Consider the given statement/s to be true and decide which of the given conclusions/assumptions can definitely be drawn from the given statement.

Statements: All fruits are leaves. Some fruits are grapes.

Conclusion I: Some leaves are grapes.
Conclusion II: All grapes are fruits.

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is