Aptitude and Reasoning Questions

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

A boat is moving away from an observation tower. It makes an angle of depression of 60° with an observer's eye when at a distance of 50m from the tower. After 8 sec., the angle of depression becomes 30°. By assuming that it is running in still water, the approximate speed of the boat is

In this question, the sets of numbers given in the alternatives are represented. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix II are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g., A can be represented by 03,55, etc., and 'P' can be represented by 10, 44, etc. Similarly you have to identify the set for the word 'BOAT'.

If √x ­- √y = 1 , √x + √y = 17 then √xy = ?

The age of A is three times the age of B. What is the ratio of the age of B to the age of A?

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

In the following question, some statements is followed by some conclusions, you have to take the given statements to be true even if they seem to be at variance with
commonly known facts and then decide which of the given logically follow. Choose that conclusion as the answer.

Statements:
Some roads are not good.
Some railways are good.
All airways are good.
Some roads are bad.

Conclusions:
I. At least some bad are good.
II. No bad is good.

From the given answer figures, select the one in which the question figure is hidden/embedded