Quantitative Aptitude - Arithmetic Ability Questions

What is the distance between the points (4,7) and (­1,­5)?

If an equilateral triangle has side 12 cm, then what is the difference (in cm) between the circumradius and inradius?

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

Find the number of prime factor of 1024.

Find the odd word/letters/number pair from the given alternatives

A watch is sold at a discount of 62.5%. If the marked price of the watch is Rs 16320, then what is the selling price (in Rs) of the watch?

A boat covers a distance of 14 km upstream and 16 km downstream in 9 hours. It covers a distance of 12 km upstream and 40 km downstream in 11hours. What is the speed (in km/hr) of the boat in still water?

If 1+y16-74, then the value of 5y-15