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?

Find k, if the line 4x - y = 1 is perpendicular to the line 5x - ky = 2?

If 2x+4-2x+2=3, then the value of x?

The areas of two similar triangles ΔABC and ΔPQR are 121 sq cms and 64 sq cms respectively. If PQ = 12 cm, what is the length (in cm) of AB?

The length of a string is 8 feet and 9 inches, which is divided into 3 equal parts. What is the length of each part in inches?

There are total 200 students in a school, of which 1/5th are boys. Find the number of girls in the school.

A line passing through the origin perpendicularly cuts the line 2x + 3y = 6 at point M. Find M?

Find the odd one out.