Quantitative Aptitude - Arithmetic Ability Questions

Choose the word is least like the other words in the group

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

Select the odd letters from the given alternatives.

If the speed of a boat in still water is 20 km/hr and the speed of the current is 5 km/hr, then the time taken by the boat to travel 100 km with the current is

The mean of 100 observations was calculated as 40. It was found later on that one of the observations was misread as 83 instead of 53. The correct mean is:

If a person bought an item for Rs. 60 and sold it at a profit of 25%, the selling price of the item would be

Sum of two numbers is thrice their difference. Their ratio is

Which of the following is correct?