Quantitative Aptitude - Arithmetic Ability Questions

If (1 - sinA)/(1 + sinA) = x, then x is

What is the value of √[(1 ­- cosA)/(1 + cosA)]?

The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :

In a bag the ratio of red balls to green balls is 4 : 9. If 6 more green balls were added to the bag, the ratio of red balls to green balls would become 1 : 3. How many red balls are there in the bag?

What is the value of (cos45° + 1/3) ?

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

The selling price of an item inclusive of a 10% profit was Rs.440. What would be the percentage loss if the item was sold for Rs. 370?

Amit's age is four times the age of Babli. Babli's age is three times the age of Priya. If the present age of Priya is 5 years, what is the present age (in years) of Amit?