Quantitative Aptitude - Arithmetic Ability Questions

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

If the selling price of an article is doubled, then its loss percentage gets converted into the equal profit percentage. What is the loss percentage?

A and B together can do a piece of work in 36 days, B and C together can do it in 24 days. A and C together can do it in 18 days. The three working together can finish the work in

In triangle ABC, a line is drawn from the vertex A to a point D on BC. If BC = 9 cm and DC = 3 cm, then what is the ratio of the areas of triangle ABD and triangle ADC respectively?

What is the value of 1.23+0.83+0.73-2.0161.351.22+0.82+0.72-0.96-0.84-0.56 =

The 2nd and 8th term of an arithmetic progression are 17 and -1 respectively. What is the 14th term?

What is the value of √[(1 - sinA)/(1 + sinA)]?

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