Quantitative Aptitude - Arithmetic Ability Questions

The distance between the points (11,­5) and (k,0) is 13. Find k.

On dividing 221a2b2 by 13b2, we get _____.

ΔPQR is right angled at Q. If m∠R = 45°, then find the value of (tanP - 1/2).

Find the circumference (in cm) of a circle of radius 17.5 cm.

What is the reflection of the point (5 , -1) in the line y = 2?

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

A and B undertake a piece of work for Rs. 250 . A alone can do that work in 5 days and B alone can do that work in 15 days . With the help of C, they finish the work in 3 days . If every one gets paid in proportion to work done by them, the amount C will get is 

Select the odd word/letters/number/number pair from the given alternatives.