Verbal Reasoning - Mental Ability Questions

Rakhi got engaged 10 years ago. Rakhi's present age is 5/3 of her age at the time of engagement. If the present age of Rakhi's mother is twice that ofpresent age of Rakhi, then what was her mother's age (in years) at the time of her engagement?

From the given alternatives, select the word which CANNOT be formed using the letters of the given word.

Commensurate

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
DE, GI, KN, ?

Out of the 100 nature lovers, 20 people wanted to see only bison, 30 wanted to see both bison and tiger, 15 wanted to see only leopard, 25 wanted to see only tiger, 5 wanted to see both bison and leopard and the remaining wanted to see only bear.

How many people who wanted to see bison did not want to see leopard?

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

? , Hexane, Heptane, Octane

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

Qutb­ud­din Aibak, Iltutmish, ?, Ghiyas­ud­din Balban

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

AZ, BY, CX,?

Three words in bold letters are given in each question, which have something in common among themselves. Out of the four given alternatives, choose the most appropriate description about these three words.

Voodoo: Sorcery: Necromancy