Quantitative Aptitude - Arithmetic Ability Questions

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

Reflection of the point (4,-5) in the y-axis is

The reciprocals of the squares of the numbers 11⁄2 and 11⁄3 are in the ratio

If Sumita earns 75/4% more than her boyfriend, find the approximate % her boyfriend earns less than Sunita.

Two numbers are 50% and 90% lesser than a third number. By how much percent is the second number to be enhanced to make it equal to the first number?

Four pairs of words are given. Find the odd one out.

The profit (in Rs.) after selling an article for Rs.524 is the same as the loss (in Rs.) after selling it for Rs.452. The cost price of the article is:

If the volume of a cylinder is 3850 cubic cm and height is 25 cm, what is its radius? (Take π = 22/7)