Aptitude and Reasoning Questions

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

OP, ST, XY, DE, ?

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.

Statements:
(I) Empty set is a subset of any set.
(II) A set is a subset of power set.

Conclusion:
(I) Empty set is a power set.
(II) A set is a subset of power set.

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

Wind turbine, Generation, Battery bank, ? , Distribution

A right circular conical structure stands on a circular base of 21m diameter and is 14m in height. The total cost of colour washing for its curved surface at Rs. 6 per sq. m. is
(Take Π = 22/7 )

Number of circles that can be drawn through three non-colinear points is

Dodecahedron has 30 edges. How many vertices does it have?

If the 3rd and the 5th term of an arithmetic progression are 13 and 21, what is the 13th term?

In the following question below are given some statements followed by some conclusions. Taking the given statements to be true even if they seem to be at variance from commonly known facts, read all the conclusions and then decide which of the given conclusion logically follows the given statements.

Statements:
I. All stars twinkle.
II. All satellites twinkle.

Conclusions:
I. Some stars are satellites.
II. Some stars twinkle.