Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (1 + cotA)2 + (1 -­ cotA)2?

Find the least number which when divided by 20, 25, 35 and 40 leaves remainder 14, 19, 29 and 34 respectively?

The mean of marks secured by 60 students in division A of class X is 66, 45 students of division B is 62 and that of 75 students of division C is 60. Find the mean of marks of the students of three divisions of Class X.

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

What is the area (in sq cm) of a regular hexagon of side 9 cm?

The sum of a fraction and 3 times its reciprocal is 37/10. What is the fraction?

What is the value of Cot 45° - (1/√3)Cosec 60°?

What is the value of sec2θ + 1sec2θ - 1 x 12cotθ - tanθ ?