Quantitative Aptitude - Arithmetic Ability Questions

Which of the following quadratic equations has real roots?

The value of cos (1110°) is

Select the odd letters from the given alternatives.

Select the odd word/letters/number/number pair from the given alternatives.

In the following question, four number pairs are given. The number on left side of (–) is related to the number on 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.

The difference between cost price and selling price is Rs 221. If profit percentage is 17%, then what is the selling price (in Rs)?

If 3x^2 + ax + 4 is perectly divisible by x - 5, then the value of a is :

If sin ­-330° = x, then the value of x is