Quantitative Aptitude - Arithmetic Ability Questions

Square of (7 ­- 4x) is

What is the reflection of the point (2, -3.5) in the y-axis?

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

Select 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 sum of the first 9 terms of an arithmetic progression if the first term is 7 and last term is 55?

P does half as much work as Q in 1/3 of the time. If together they take 15 days to complete a work, how many days will P take to do it alone?

A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years. Then what is the present age of the wife?