Quantitative Aptitude - Arithmetic Ability Questions

12 men or 30 boys can complete a work in 72 days. How many days will 48 men and 24 boys will take to complete the same work?

Which one of the following is true for 0°<θ<90°

If a -­ b = 6 and ab =16, then a3 -­ b3 is

If (7x -­ 13) ­ (12x + 3) = 14, then the value of x is ______ .

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 distance between the points (7,7) and (k,-5) is 13. Find k?

What are the co-ordinates of the centroid of a triangle, whose vertices are A(1, -5), B(-4, 0) and C(3, -4)?

Simplify (b5x2a3z4)*(b3x2a4z5) / (a2b3z2)