Quantitative Aptitude - Arithmetic Ability Questions

Reflection of the point (-3,6) in the x-axis is

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

A shopkeeper by selling 21 Nike shoes, earns a profit equal to the selling price of 5 Nike shoes. His profit percentage is

If 170% of a number added to 66, then the result becomes equal to twice of the number. What is the number?

What is the value of (sin60° + 2/√3) ?

What least value must be assigned to '*' so that the number 63576 * 2 is divisible by 8?

The line passing through point (-3,1) and point (x,5) is parallel to the line passing through point (-2,-1) and point (6,3). What is the value of x?

In a committee there are 15 members. If two members whose ages are 45 years and 55 years are replaced by the two new members, then average age of 15 members is increased by 2 years. What is the average age (in years) of the new members?