Quantitative Aptitude - Arithmetic Ability Questions

If  tan2A / (secA -­ 1)2 = x, then the value of x is

In the following question, select the odd letter/letters from the given alternatives.

If Cos θ = 35/37 , then what is the value of Cot θ?

PQ is a tangent to the circle at T. If TR = TS where R and S are points on the circle and ∠RST = 65°, the ∠PTS =

In the given series of numbers how many 7's are there which are immediately followed by 9 and immediately not preceeded by 5 ?

What is the area (in sq cm) of an equilateral triangle of side 6 cm?

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

The circumference of a circle is 88 cm. Find its radius (in cm).