Quantitative Aptitude - Arithmetic Ability Questions

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

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

If √(1 + cot2A)/cotA = x, then the value of x is

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 3000 at the annual rate of 20%?

What is the value of (1/√3 + sin45 ) ?

Find length of the arc whose central angle is 45° and radius of the circle is 28 cm?

What is the value of [sin (90– 10θ) – cos (p – 6θ)]/ [cos (p/2 – 10θ) – sin (p – 6θ)]?

Find the smallest 8 digit number which is exactly divisible by 121.