Quantitative Aptitude - Arithmetic Ability Questions

60% of P = 50% of Q and Q = x% of P. What is the value of x?

Of the 5 subjects, the average marks of Rakesh in first 3 Subjects was 79 and the average marks in the last 3 subjects was 86. If his marks in the third subject was 80, then what was his average marks in all the 5 subjects?

A fraction is greater than its reciprocal by 9/20. What is the fraction?

PQRS is a square, M is the mid-point of PQ and N is a point on QR such that NR is two-third of QR. If the area of ΔMQN is 48 cm2 , then what is the length (in cm) of PR ?

A is twice as good as B and together they finish a piece of work in 16 days. The number of days taken by A alone to finish the work is

∆PQR is right angled at Q. If m∠R = 45°, then find the value of (cosecP - √3/2)

If cos ­-11π/6 = x, then the value of x is

If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?