Quantitative Aptitude - Arithmetic Ability Questions

Which of the below given fractions is NOT equal to 9/17?

Ms. Sushmitha borrowed Rs. 900 at 6% per annum simple interest. What amount will she pay to clear her debt after 4 years?

In a Kite _____.

Find the odd numbers/letters/numbers from the given alternatives.

Select the odd letters from the given alternatives.

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

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

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?