Aptitude and Reasoning 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 _ c a a b _ a _ b c a a b _ a _ b _ a

In the question a statement is given, followed by two arguments, I and II. You have to consider the statement to be true even if it seems to be at variance from commonly known facts. You have to decide which of the given arguments, if any, is a strong argument.

Statement : Should songs be eliminated from Indian movies.

Argument I : Yes, Hollywood movies are hit despite having no songs.
Argument II : No, songs help increase length of the movie.

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
Millimetre, Micrometre, Nanometre, ?

Find the missing number in the given figure?

Consider the given statement and decide which of the following assumptions is/are implicit in the statement.
Statement:
The headmistress called for a meeting for all staff members to discuss on discipline issues.
Assumptions:
I. There were some discipline issues that were raised earlier.
II. The headmistress wants to address all of them together.

The volume (in cu.cm.) of a right circular cylinder with radius 1 cm and height 2 cm is: pi = 22/7

Two pipes fill a tank when working individually in 25 and 40 hours, respectively while a third pipe can drain the filled tank in 16 hours. If all the three pipes are turned on at the same time when the tank is empty, how long will it take to fill the tank completely ?

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

j_l_jk_m_kl_