Quantitative Aptitude - Arithmetic Ability Questions

What is the value of (4a2 + 8b + 14c + 2)/2 ?

If x - 2y = 2 and 3x + y = 20, then the value of (x,y) is

30% discount is offered on an item. By applying a promo code the customer wins 20% cash back. What is the effective discount?

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

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

At what point does the line 2x - 3y = 6 cuts the X axis?

The sum of two numbers is 25 and sum of their square is 313. Calculate the numbers.

In the following question, four number pairs are given. The number on left side of (–) is related to the number of the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.