Aptitude and Reasoning Questions

In a rhombus _____.

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) All flowers are stems.
(II) All stems are roots.

Conclusion:
(I) All roots are flowers.
(II) All stems are flowers.

The point equidistant from the sides of a triangle is called

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 street lights be switched off after midnight?

Argument I : No, statistics show that crime and accidents increase if street lights are switched off.
Argument II : Yes, few vehicles ply after midnight, expensive electricity will be wasted.

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. Some banks are private.
II. All private are industry.

Conclusions:
I. Some banks are industry.
II. All banks are industry.

Find the value of  y(y4 - y2 - y) when y = 5.

The number of sides of a regular polygon whose exterior angles are each 72 deg is

Two circles with centres P and Q touch each other externally. A straight line drawn through the point of contact intersects the circle with centre P at A and the circle with centre Q at B. Then, which of the following is true?