Quantitative Aptitude - Arithmetic Ability Questions

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

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

Identify the odd one out from the following:

2 ­- (cosA + sinA)2 is equal to

Find the unit digit in the given product (4211)102 x (361)52.

Ms. Sushmitha borrowed Rs. 900 at 6% per annum simple interest. What amount will she pay to clear her debt after 4 years?

The difference between the ages of two sisters is 4 years when father's age is 54. Father is elder by 2 years to mother . Younger sister's age is half of mother's age. Find the age of elder sister.

Which of the following equations has 3 as a root?