Quantitative Aptitude - Arithmetic Ability Questions

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 cm sq, what is the area (in sq cm) of quadrilateral BDEC?

What must be the length (in cm) of the diagonal of a rectangle if its area and breadth are 60 cm² and 5 cm respectively?

Find the value of '?' in 512 × 125 ÷ 15625 = 3125 × 25?

If cos4θ-sin4θ=13 then the value of tan2θ is

Which of the following ratios can be the ratio of the sides of a right angled triangle?

A, B and C can do a job working alone in 12, 16 and 24 days respectively. In how many days they can do the job if they worked together?

On dividing a number by 47, we get 75 as quotient and 18 as remainder. What is the number?

Vinay professes to lose 4% on sugar and uses a weight of 620 gm instead of 1 kg. What is the total profit percentage?