Quantitative Aptitude - Arithmetic Ability Questions

An engineering student has to secure 45% marks to pass. He gets 54 and fails by 36 marks. Find the maximum marks.

90% of X = 40% of Y and Y = a% of X. What is the value of a?

A missile travels at 1260 km/h. How many metres does it travel in one second?

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?

Two baskets together have 640 oranges. If (1/5)th of the oranges in the first basket be taken to the second basket. The number of oranges in the first basket is

In a triangle the length of the side opposite the angle which measures 30 degree is 12 cm, what is the length of the side opposite to the angle which measures 60 degree?

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

Cost price of a calculator is Rs 495. If the profit percentage is 40%, then what is the value (in Rs) of profit?