Quantitative Aptitude - Arithmetic Ability Questions

The sum of a fraction and 4 times its reciprocal is 13/3. What is the fraction?

The point Q(a,b) is first reflected in y­axis to Q1 and Q1 is reflected in x­axis to (­6,2). The co­ordinates of point Q are

A number is decreased by 10% and the resulting number is again decreased by 20%. What is the final percentage of decrease?

In the following question, select the odd letter group from the given alternatives.

What is the reflection of the point (-0.5, 6) in the x-axis?

A rectangular swimming pool of length 20 m and breadth 10 m has a uniformly sloping floor. It is 1 m in depth on one end of its length and 3 m at the other. How much water is needed to completely fill this pool? (Take π = 22/7)

A truck moves at the speed of 90 km/hr after repairing and moves at the speed of 80 km/hr before repairing. It covers x distance in 8 hours after repairing. How much time (in hours) will it take to cover 4x distance before repairing?

A racing car going at an average speed of 108 km/hr takes 15 minutes to complete a lap on a racing track. By how much should it increase its speed (inkm/hr) to complete the lap in 12 minutes?