Quantitative Aptitude - Arithmetic Ability Questions

What is the value of ( 1/3 - cosec30°) ?

If sin ­-240° = x, then the value of x is

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

ΔABC is a right angled triangle, the radius of its circumcircle is 3 cm and the length of its altitude drawn from the opposite vertex to the hypotenuse is 2 cm. Then the area of the triangle is

4 years ago, the ratio of Vikah's to Rahul's age was 3:5. After 6 years, this ratio would become 4:5. Find present age of Rahul.

If A + B = 90 deg and Cos B = 1/3, then the value of Sin A is

What would be the compound interest of Rs. 25000 for 2 yrs. at 5% per annum?

15 small rods, each of length 23 2/7 m are joined to make a big rod. What then is the length of the big rod?