Quantitative Aptitude - Arithmetic Ability Questions

Curved surface area of a cylinder is 528 sq cm. If circumference of its base is 44 cm, find the height of the cylinder?

If 4x - 7y = 3 and 2x - y = 9, then x - y is.

The area of an equilateral triangle is 25√3 sq.cm. Find its side (in cm).

If (x+1/x) = 5, then the value of 5xx2+5x+1?

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

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?

Choose the odd word/letters/number/number pair from the given alternatives.

The average marks of 45 students is shown as 65. It includes a wrong entry of 84 marks instead of 48 marks. The correct average is: