Quantitative Aptitude - Arithmetic Ability Questions

What will be the sum of the measures all the interior angles of a polygon having 14 sides?

A mixture of 240 litres of juice and water contains 15% water. How much more water (in litres) should be added to this so that the strength of water will become 25% in the new mixture?

Which of the following equations has real and distinct roots?

Expanded and simplification of (x + 3)(x - 1) will be equal to

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

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

The ratio of incomes of C and D is 3 : 2. Ratio of income of D and E is 5 : 4. If one-third of C’s income is Rs 4000 more than the half of E’s income, then what is the D’s income (in Rs)?

What is the highest common factor of 360 and 450?