Aptitude and Reasoning Questions

A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
-4, ? , 1, 3.5, 6, 8.5

The pie ­ chart , given here shows monthly expenses on various heads and savings of the family of Mr Rao. Study the chart and answer the questions based on it.

If the total income of Mr.Rao is Rs.72000 ,how much house rent does he pay ?

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

(3, 5), (5, 7) ( ? ), (11, 13)

What is the value of Tan 45° - 1/√3 Sec 60°?

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. Some girls are clever.
II. All clever are hardworking.

Conclusions:
I. Some girls are not hardworking.
II. Some girls are hardworking.
III. Some hardworking are not girls.

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

Present age of A is 2 times the present age of B. After 8 years the B's age will be 4 times of C's present age. If C celebrated his fifth birthday 9 years
ago, then what is the present age (in years) of A?

If x+1x=5,then the value of x1+x+x2 is