Quantitative Aptitude - Arithmetic Ability Questions

Find the curved surface area (in cm2) of a right circular cylinder of diameter 7 cm and height 6 cm.

If Cosecθ + Cotθ = 2, then Cotθ = ?

If 2sec2x - tan2x = 5 and 0° ≤ x ≤ 90°, then x = ?

The number of sides of a regular polygon whose exterior angles are each 72 deg is

If the sum of the interior angles of a regular polygon is 1260 deg , then how many sides does it have?

An equal sum is invested in two different schemes. One scheme gives simple interest and the other gives compound interest (annual compounding). The total interest obtained after 2 years from both the schemes together is Rs 2090. If both the schemes have 18% per annum interest rate, then what is the first year interest (in Rs) of simple interest scheme?

Square root of 0.9 is equal to