Quantitative Aptitude - Arithmetic Ability Questions

What is the value of [tan2 (90 – θ) – sin2 (90 – θ)] cosec2 (90 – θ) cot2 (90 – θ)?

Gautam goes to office at a speed of 12 kmph and returns home at 10 kmph.His average speed is

A factory buys 7 machines. 2 Machine A, 2 Machine B and rest Machine C. Prices of the machines are Rs 95000, Rs 75000 and Rs 43000 respectively. Calculate the average cost of these machines?

A solid cone of height 24 cm and radius of its base 8 cm is melted to form a solid cylinder of radius 6 cm and height 6 cm. In the whole process what
percent of material is wasted?

A number is divided by 52, we get 27 as remainder. On dividing the same number by 13, what will be the remainder?

If cotA = x, then the value of x is

If the successive discounts be 20% , 10% and 5% , then the single equivalent rate of discount is

The area of an equilateral triangle is 9√3 sq cm, find height of the triangle?