Quantitative Aptitude - Arithmetic Ability Questions

Select the odd word/letters/number/number pair from the given alternatives.

Find the perimeter (in cm) of a semicircle of radius 28 cm.

ΔPQR is right angled at Q. QS is the altitude. PQ is 2√13 cm and PS is 8 cm. What is the length of SR?

A dealer sells a machine having marked price as Rs 3840 at a discount of 20%. What is the selling price (in Rs) of the machine?

If x, y, z are the three factors of a3 -7a - 6, then value of x+y+z will be

If (x/5) + (5/x) = – 2, then what is the value of x3?

A rice trader buys 12 quintals of rice for Rs 1,870. 15% rice is lost in transportation. At what rate should he sell to earn 20% profit?

If a person bought an item for Rs. 60 and sold it at a profit of 25%, the selling price of the item would be