Quantitative Aptitude - Arithmetic Ability Questions

What is the value of √121 + √12321 + √1234321 + √123454321?

The rate of working of A and B are in the ratio of 2:3. The number of days taken by them to finish the work is in the ratio:

Mahmood can do a piece of work in 40 hours. If he is joined by Janaki who is 50% more efficient, in what time will they together finish the work?

9 hrs after a goods train passed a station, another train travelling at a speed of 72 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 3 hours. What is the speed of the goods train?

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

What is the reflection of the point (5, 3) in the line y = -2?

A triangular prism has 9 edges. How many vertices does it have?

If aq-r+br-p-cp-q, then find the value of (pa + qp + rc) is