Aptitude and Reasoning Questions

If Y is the brother of X, Y is Z's son then Z's father is X's ___.

 In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Below are given statements followed by two conclusions I and II. You have to take the given statements to be true even if they seem to be at variance from commonly known facts.

Statements : All birds are tall. Some tall are peacocks.

Conclusions :

I. Some birds are peacocks.

II. Some peacocks are tall.

Decide which of the below options logically follows the given statement.

Two pipes A and B can fill an empty cistern in 18 and 27 hours, respectively. Pipe C can drain the entire cistern in 45 hours when no other pipe is in operation. Initially, when the cistern was empty Pipe A and Pipe C were turned on. After a few Pipe A was turned off and Pipe B was turned on instantly. In all, it took 55 hours to fill the cistern. For how many hours was Pipe B turned on?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

Consider the given question and decide which of the following statements is sufficient to answer the question.

The trains are very punctual in Malaysia. For a maximum of how long should Mr.Z wait for the train?

Statements :
1. Mr. Z had reached the railways station at 10 a.m.
2. There is a train at 11 a.m. and the next train is at 12 p.m.

Find the in-radius (in cm) of an equilateral triangle whose sides are 6 cm each.

Possible measures of three angles of a triangle are