Quantitative Aptitude - Arithmetic Ability Questions

Select the odd letters from the given alternatives.

 In the following question, select the odd letter/letters from the given alternatives.

What should be added to 8(3x - ­4y) to obtain 18x ­- 18y?

What are the roots of the quadratic equation: x2 + 3x ­- 154 = 0

The sum of 2xy(3x + 4y - 5z) and 5yz(2x - 3y) is

In the following question, select the odd word pair from the given alternatives.

If cost price of 5 cars is equal to selling price of 4 cars. Find the percentage of profit or loss?

Mayank, Deepak and Pawan, each of them working alone can complete a work in 5, 10 and 15 days respectively. If all three of them work together to complete a work and earn Rs. 12000 what will be Deepak's share of the earnings?