Quantitative Aptitude - Arithmetic Ability Questions

If aq-r+br-p-cp-q, then find the value of (pa + qp + rc) is

Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?

If Gadadhar's salary is 3/2 times of Haamid's and Sarvesh's is 4/3 times of Haamid's, what is the ratio of Gadadhar's salary to Sarvesh's?

(45.004% of 1439.97 –15.99% of 2249.97) ÷ 35.98 = ?

A taxi going at 90 km/hr takes 35 minutes to travel a certain distance. By how much should it increase its speed (in km/hr) to travel the same distance in 21 minutes?

The time taken by a train 160 m long, running at 72 km/hr, in crossing an electric pole is

The ratio of the volume of two cylinders is 7 : 3 and the ratio of their heights is 7 : 9. If the area of the base of the second cylinder is 154 sq. cm, then what will be the radius (in cm) of the first cylinder?

An alloy is made by mixing metal A costing Rs 2000/kg and metal B costing Rs 400/kg in the ratio A:B = 3:1. What is the cost (in Rs) of 8 kilograms of this alloy?