Aptitude and Reasoning Questions

The number of diagonals in a hendecagon is

Avalanche : Ice :: Volcano : ___

Find the least number among  59, 949, 0.43 and 0.72.

Two mixtures have milk and water in the ratio 1 : 4 and 3 : 2 respectively. In what ratio two types of mixtures have to be mixed to get a new mixture having ratio of milk and water as 1 : 1?

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) The pass percentage in a subject Political Science is very low as compared to others in the same curriculum.
(II) The students who were admitted to the programme did not study Political Science earlier.

Conclusions:
(I) The foundation of the subject is very important for a student to perform well in examination.
(II) Political Science is a generic subject and students can attempt it without any problem.

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

0.5, 2, 3.5, ? , 6.5

In the following question, two statements are given each followed by two conclusions I and II. You have to consider the statements to be true even if they seem to be at variance from commonly known facts. You have to decide which of the given conclusions, if any, follows from the given statements.

Statement:
(I) Some crows are jackals.
(II) No fox is a crow.

Conclusions:
(I) Some jackals are foxes.
(II) Some jackals are not foxes

A series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series.
U, T, R, O, K ?