Quantitative Aptitude - Arithmetic Ability Questions

A merchant marks the price of his articles 20% above the cost price. If he allows 20% discount, then what is the profit or loss percentage?

Mandeep works 3 times as fast as Sampat. If Sampat can complete a job alone in 60 days, then in how many days can they together finish the job?

Find the odd one out among the following.

The price of an article is cut by 24%, to restore to its original value, the new price must he increased by ______.

What is the value of tan­ -240°?

What is the unit place digit in the expansion of  773?

If cosec θ + sinθ = 5/2 then the value of cosecθ - sinθ is

If x + √5 = 5 + √y, and x, y are positive integers, then the value of x+yx + y