Quantitative Aptitude - Arithmetic Ability Questions

While selling a watch, a shop-­keeper gives a discount of 5%. If he gives a discount of 7%, he earns Rs.15 less as profit. The marked price of the watch is

If 12x = 192- 112, what is the value of x?

What is the value of Sin 60° + (1/2)Cosec 45°?

The reciprocal of the sum of the reciprocals of 8/7 and 5/6 is:

What is the simplified value of [(sec3x – tan3x)/(sec x – tan x)] – 2 tan2x – sec x tan x?

A right circular cylinder is formed. A = sum of total surface area and the area of the two bases. B = the curved surface area of this cylinder. If A : B = 3 : 2 and the volume of cylinder is 4312 cm3, then what is the sum of area (in cm2) of the two bases of this cylinder?

A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in

The sum of the ages of husband and wife at present is 60. Four years ago the ratio of their ages was 7:6. What is the age of the husband?