Quantitative Aptitude - Arithmetic Ability Questions

Select the odd letters from the given alternatives.

In the following question, select the odd letter/letters from the given alternatives.

The value of sec2θ + 2tanθcotθ - tan2θ is

If A + B = 90 deg and Cos B = 1/3, then the value of Sin A is

The angle of elevation of the top of a tower at a distance of 25 m from its foot is 60 deg. The approximate height of the tower is

A factory buys 8 machines. 3 Machine­A, 4 Machine­B and rest Machine­C. Prices of the machines are Rs 45000, Rs 25000 and Rs 35000 respectively. Calculate the average cost (in Rs) of these machines?

The simple interest on a sum for 5 years is two­fifth of the sum. The rate of interest per annum is

Curved surface area of a cylinder is 440 sq cm. If circumference of its base is 44 cm, what is the volume of the cylinder? (Take π = 22/7)