Quantitative Aptitude - Arithmetic Ability Questions

The mode of the data 12, 1, 10, 1, 9, 3, 4, 9, 7, 9 is

The ratio of present ages of Ratnabali and Shaukat is 8:5. After 22 years the ratio of their ages will be 10:9. At present, what is Ratnabali's age?

A and B can do a piece of work in 18 days, B and C in 24 days, A and C in 36 days. Working together they can do the work in

The sum of three consecutive even numbers is 42. Find the middle number.

Select the odd letters from the given alternatives.

If x = a cosθ+ b sinθ and y = b cosθ- a sinθ, then x2 + y2 is equal to

If cosA/(1 - sinA) = x, then the value of x is

If 3x + 4(1-x) > 5x -2 > 3x - 4; then the value of x is