Quantitative Aptitude - Arithmetic Ability Questions

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in

A can do a work in 24 days and B in 40 days. If they work on it together for 10 days, then what fraction of work is left?

A train runs at 80 kmph for the first 40 km and the next 30 km at 60 kmph. Find the average speed.

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

What is the simplified value of 18 - 12 ?

What should be added to 3(x­ - 2y) to obtain 2(3x + y) -­ 5(2x + 3)?

In the following question, select the odd letters from the given alternatives.

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