Quantitative Aptitude - Arithmetic Ability Questions

If x + √5 = 5 + √y, and x, y are positive integers, then the value of x+yx + y

ΔDEF is similar to ΔGHI. Length of DE is 9 cm and length of the corresponding side GH is 16 cm. What is the ratio of areas of Δ DEF : Δ GHI?

In ΔABC, D and E are points on side AB and AC respectively. DE is parallel to BC. If lengths of AD, DB and DE are 8 cm, 6 cm and 7.2 cm respectively, find length of BC?

The area of a circle is 616 cm². What is its circumference (in cm).

What is the value of sin6θ + cos6θ + 3 sin2θ cos2θ –1?

The price of rice has increased by 60%. In order to restore the original price, the new price must be reduced by

If 170% of a number added to 66, then the result becomes equal to twice of the number. What is the number?

A does 1/2 as much work as B and C does1/2as much work as A and B together. If C alone can finish the work in 40 days, then together all will finish the work in