Aptitude and Reasoning Questions

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 : All dawn is day.
Statement 2 : No day is night.

Conclusion I : No night is day.
Conclusion II : Some dawn is night.

In each of 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 books are erasers.
II. All sharpeners are books.

Conclusions:
I. All sharpeners are erasers.
II. Some books are sharpeners.

A shop keeper cheats to the extent of 10% while buying and selling fruits, by using tampered weights. His total gain, in %, is:

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

KHQ, HEN, EBK, ?, YVE

The HCF of 36,54 and 108 is

In a certain code language, '-' represents '+', '+' represents 'x', 'x' represents '÷' and '÷' represents '-'. Find out the answer to the following question.

13 ÷ 18 - 5 + 10 x 2 = ?

Find the curved surface area (in cm2) of a hemisphere of diameter 7 cm.

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?