Quantitative Aptitude - Arithmetic Ability Questions

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

The ratio of three numbers is 2 : 3 : 5. If the sum of the three numbers is 275, then what is the largest among the three numbers?

If (1/x) + (1/y) + (1/z) = 0 and x + y + z = 9, then what is the value of x3 + y3 + z3 – 3xyz?

If Cosec θ = 17/8, then Cot θ = ?

If 4x2= 152- 92, then value of x is

In the following question, select the odd number pair from the given alternatives.

In the following question, select the odd number from the given alternatives.

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?