Aptitude and Reasoning Questions

Determine the value of a/b + b/a when a + b = 8 and ab = 4.

Two circles touch each other internally. The radius of the smaller circle is 6 cm and the distance between the centre of two circles is 3 cm. The radius of the larger circle is

The average age of 36 students in a group is 14 years. When the teacher's age is included in it, the average increases by one. The teacher's age in years is

Find out the odd word/letters/number/number pair from the given alternatives.

Consider the following statements in respect of two integers p and q (both > 1) which are relatively prime:

1) Both p and q may be prime numbers.

2) Both p and q may be composite numbers

3) one of p and q may be prime and the other composite.

Which of the above statements are correct?

Which figure will be formed when given figure id folded?

In the following question, from the given alternative words, select the word which cannot be formed using the letters of the given word.
ABSOLUTE

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 insects are dangerous.

II. All machines are dangerous.

Conclusions:

I. All dangerous are insects.

II. All dangerous are machines.

III. Some machines are insects.