Aptitude and Reasoning Questions

If 5x/2 - [7(6x - 3/2)]/4 = 5/8, then what is the value of x?

A, B, C, D and E are standing in a line facing North. E is standing 40 metres left to B. A is standing 20 metres left to C. D is standing 20 metres right to E and 50 metres right to C. Where is B standing from D?

What will be the equation of the perpendicular bisector of segment joining the points (5,­3) and (0,2)?

In the question two statements are given, followed by two conclusions, I and II. You have to consider the statements to be true even if it seems 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 1 : Some books are diaries.
Statement 2 : All books are paper.

Conclusion I : All diaries are paper.
Conclusion II : Some paper are diaries.

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 pens are pencils.
II. Some pens are erasers.

Conclusions:
I. Some pencils are erasers.
II. All erasers are pens.

Find the wrong number in the series. 225, 206, 188, 176, 165, 158, 153

A mixture contains liquid A and liquid B in the ratio of 5 : 4. If 2 litres of liquid B is added to it, then the ratio of liquid A and liquid B becomes 7 : 6. What is the quantity (in litres) of liquid A in the mixture?

A wholesaler purchased 7 hair clips for a rupee. How many for a rupee must he sell to get profit of 40%.