Quantitative Aptitude - Arithmetic Ability Questions

A can do a piece of work in 18 days. He worked at it for 12 days and B finished the remaining work in 8 days. B alone can do the whole work in

On selling 25 shirts, a retailer earns profit equal to the cost price of 8 shirts. What is the profit percentage?

A spaceship travels at 810 km/hr. How many metres does it travel in 1/5th of a second?

Of the 5 numbers whose average is 78, the first is 2/11 times the sum of other 4. The first number is

Find the number that is as much greater than 49 as is less than 95.

If the value of a company stock drops from Rs. 25 per share to Rs. 21 per share, the percentage decrease per share is

If x -­ y = 7 and xy = 32, then value of (x2 + y2) is

Find the odd word/letters/number pair from the given alternatives.
(A) 52­61 (B) 43­54 (C ) 72­83 (D) 18­29