Quantitative Aptitude - Arithmetic Ability Questions

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?

The 3rd and 7th term of an arithmetic progression are -9 and 11 respectively. What is the 15th term?

If 3√7 + √343 = 19.21, then find the value of √252 + 20√7.

In a triangle ABC, a line is drawn from C which bisects AB at point D. Find the ratio of area of the triangles DBC and ABC.

The number of diagonals in a hendecagon is

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

Select the odd word/letters/number/number pair from the given alternatives.

If 7 spiders make 7 webs in 7 days , then 1 spider will make 1 web in how many days ?