Quantitative Aptitude - Arithmetic Ability Questions

The perimeter of two similar triangles ABC and PQR are 36 cms and 24 cms respectively. If PQ = 10 cm then the length of AB is

The mean of marks secured by 45 students in division A of class X is 56, 40 students of division B is 52 and that of 40 students of division C is 50. Find the mean of marks of the students of three divisions of Class X.

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

Of the 3 numbers whose average is 72, the first is 2/7 times the sum of other 2. The first number is

The average of 5 consecutive numbers is 50%, then difference between 'product of largest and smallest number' with 'product of fourth and second number' is

What is the area (in sq cm) of a rectangle if its diagonal is 26 cm and one of its sides is 10 cm?

The third proportional of the following numbers (x - ­y)2, (x2 - y2)2 is

What is the value of Sec 30° + Tan 60°?