Quantitative Aptitude - Arithmetic Ability Questions

If a2+1=9a, (a≠0) then the value of a2+1a2 is

An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?

If 8 men can do a piece of work in 14 days, then in how much time (in days) will 7 men do the same piece of work?

Monika's father was 38 years of age when she was born while her mother was 36 years old when her brother four years younger to her was born. What is the difference between the ages of her parents?

The area of a rhombus is 24 m2 and the length of one of its diagonals is 8 m. The length of each side of the rhombus will be:

What is the slope of the line parallel to the line passing through the points (-­4,­-6) and (2,­-3)?

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

Two fractions are such that their product is ­2/5 and sum is 1/15. What are the two fractions.