Quantitative Aptitude - Arithmetic Ability Questions

S and T can finish a work in 50 days. They worked together for 20 days and then left. How much of the work is left?

Rakesh’s present age is 36 years. If 12 years ago, Deepak’s age was one-fourth of Rakesh’s age, then after 27 years what will be the age (in years) of Deepak?

Seven years ago, the average age of A, B and C was 51 years. If A is 3 years older than B and B is 3 years older then C then the present ages of A, B and C are ( in year)

If 23x + 23y = 184, then what is the average of x and y?

In a trapezium ABCD, AB and DC are parallel sides and ∠ ADC = 90°. If AB = 15 cm, CD = 40 cm and diagonal AC = 41 cm. Then the area of the trapezium ABCD is

Find out the odd word/letters/number/number pair from the given alternatives.

If the radius of a circumscribed circle in an equilateral triangle is 14 cm. Then what will be the radius (in cm) of the inscribed circle?

At what rate of compound interest per annum will a sum of Rs 50000 become Rs 73205 in 2 years?