Quantitative Aptitude - Arithmetic Ability Questions

If (1 - sinA)/(1 + sinA) = x, then x is

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

Find the odd word/letters/number from the given alternatives.

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

What is the value of tan 7π/4?

Diameter of wheel of a cycle is 21 cm. The cyclist takes 45 minutes to reach a destination at a speed of 16.5 km/hr. How many revolutions will the wheel make during the journey?

A sum of Rs 4000 becomes Rs 7000 in 6 years at simple interest. If the rate of interest becomes double of itself, then what will be the amount (in Rs) after 6 years?

A train travelling at 76 kmph crosses a 450 m long platform in 27 seconds. What is the length of the train?