Quantitative Aptitude - Arithmetic Ability Questions

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

Find the area (in sq.cm) of a semi-circle of radius 7 cm

A shopkeeper marks up his wares by 60% and offers 25% discount. What will be the selling price (in Rs) if the cost price is Rs 1600?

The rate of simple interest for which a sum of money becomes 5 times in 8 years is

A box consist of 5 rupees, 2 rupees and 1 rupee coins and their value are in the ratio of 15 : 4 : 2 respectively. If there are total 112 coins, then how many 2 rupees coins are there in the box?

Fraction that lies between 2/5 and 4/9 is

If x + [1/(x + 7)] = 0, then what is the value of x – [1/(x + 7)]?

A sphere has the same curved surface area as a cone of vertical height 40 cm and radius 30 cm. The radius of the sphere is