Quantitative Aptitude - Arithmetic Ability Questions

Rs. x invested at 8% simple interest per annum for 5 years yields the same interest as that on Rs. y invested at 7.5% simple interest per annum for 6years. Find x : y.

Find the LCM of 12, 16, 20 and 24.

Find the odd word/letters/number from the given alternatives.

If cos 135° = x, then the value of x is

A solid hemisphere has radius 14 cm. It is melted to form a cylinder such that the ratio of its curved surface area and total surface area is 2 : 3. What is the radius (in cm) of its base?

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

A mason can build a wall in 18 hours. After 9 hours he takes a break. What fraction of the wall is yet to be built?

In a camp 180 students had ration for 20 days. How many students should leave the camp if the ration should last for 25 days?