Verbal Reasoning - Mental Ability Questions

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
a _ bc _ a _ bcdabc _ da _ cd _

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

TER_TE_S_ER_

A piece of paper is folded and punched as shown below in the question figures. From the given answer figures, indicate how it will appear when opened?

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

Money, Amity, Camera, Animal, Telomere, ?

Find out the odd word/letters/number/number pair from the given alternatives.

In the following question, select the number which can be placed at the sign of ? from the given alternatives.

A prime number between 10 and 50 remains unchanged if its digits are reversed. Then the square of such a number is:

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
6, 18, 54, ? , 486, 1458