Quantitative Aptitude - Arithmetic Ability Questions

Parimal has done 1/4th of a job in 10 days, Salim completes the rest of the job in 20 days. In how many days can they together do the job?

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

18 men or 36 boys working 6 hours a day can plough a field in 24 days. In how many days will 24 men and 24 boys working 9 hours a day plough the same field ?

The expression 52n –23n has a factor?

Asif is twice as good as workman as Bashir and together they finish a piece of work in 30 days. In how many days will Asif alone finish the work?

The base of a parallelogram is twice its height. If the area of the parallelogram is 338 sq.cm. Find its height?

Cost price of a refrigerator is Rs 13400. If loss percentage is 4%, then what is the selling price (in Rs) of the refrigerator?

When a number is increased by 24, it becomes 104% of itself. What is the number?