Quantitative Aptitude - Arithmetic Ability Questions

Pranita got 30 marks more in Math than what she got in Science. Her Math marks are 60% of the sum of her Math and Science marks. What are her Science marks?

What is the area (in sq cm) of a rectangle of perimeter 90 cm and breadth 20 cm?

In Δ ABC, the median AD is 7 cm and CB is 14 cm, measure of ∠CAB is

If 13A = 11B = 8C, find A : B : C

Amar is 2 times as good a workman as Badal and therefore is able to finish a job in 15 days less than Badal. In how many days can they together complete the job?

If a3 + b3 = 28 and a + b = 4, then what is the value of ab?

The length of the diagonal of a square is 14 cm. What is area of this square?

If P : Q : R = 2 : 3 : 5, then what is the value of (P + Q) : (Q + R) : (R + P)?