Quantitative Aptitude - Arithmetic Ability Questions

Puneet purchases 5 dozens of oranges at the rate of Rs 120 per dozen. He sold each one of them at the rate of Rs 11.5. What is the profit (inpercentage) of Puneet?

If 1 saree is offered free on purchase of 3 sarees, what is the effective discount on each saree?

A cone of radius 3.5 cm and height 27 cm is completely filled with water. This water is emptied into an empty cylindrical vessel of radius 2.1 cm. What will be the height of water in this vessel? (Take π = 22/7)

If cotA = x, then the value of x is

At what rate of compound interest per annum will a sum of Rs 10000 become Rs 12321 in 2 years?

If x1/4 + x-1/4 = 2, then what is the value of x81 + (1/x81)?

Determine the value of z in the equation: z = 20+20+20+20+...∞

Select the odd word from the given alternatives.