Quantitative Aptitude - Arithmetic Ability Questions

In a Rhombus ABCD, measure of angle CAB is 30°, what is the measure of angle ABC?

What is the value of 9991 x 10009?

Which of the following will yield a recurring decimal?

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

The mean of marks secured by 60 students in division A of class X is 66, 45 students of division B is 62 and that of 75 students of division C is 60. Find the mean of marks of the students of three divisions of Class X.

What is the average of 90, 250, 240, 204, and 616?

ABC is a triangle if sin (A+B2)=32 then the value of Sin c2 is

If in a triangle ABC, Sin A = Cos B then the value of Cos C is