Quantitative Aptitude - Arithmetic Ability Questions

After 10 innings the average score per innings of a batsman was 52. After 12 innings the average rose to 54. If the batsman had scored 16 more runs in the 12th innings than in the previous one, how many runs did he score in the 11th innings?

Breadth of a rectangle is equal to the diagonal of the square whose side is 2.5√2 cm. Ratio between length and breadth of rectangle is 3 : 1. Find the area of the rectangle (in cm2).

A, B and C can do a job working alone in 6, 9 and 18 days respectively. They all work together for 1 day, then A and B quit. How many days C working alone will take to complete the remainder of the job?

The cash difference between the selling price of an article at a profit of 2% and 18% is Rs. 3. The ratio of two selling prices is

If x - y = -8 and xy = 45, then (x2 + y2) is

If y = √3 - √2, then find the value of 1y3 - y3.

If 40 is 0.05% of x, then what is the value of x?

Reflection of the point (­1,4) in the x­axis is