Quantitative Aptitude - Arithmetic Ability Questions

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 ?

Mandeep works 3 times as fast as Sampat. If Sampat can complete a job alone in 60 days, then in how many days can they together finish the job?

One of the internal angle of a rhombus is 60° and length of its shorter diagonal is 8 cm. What is the area of the rhombus?

A and B can complete a task in 12 days. However, A had to leave a few days before the task was completed and hence it took 16 days in all to complete the task. If A alone could complete the work in 21 days, how many days before the work getting over did A leave?

Akash starts a business with Rs 85000 and Payal joins him with Rs 102000. If the profit at the end of a year is divided in the ratio 1 : 1, then after how many months did Payal join Akash?

In the given figure,PQ = PS = SR and QPS = 40 deg, then what is the value of QPR (in deg) ?

Anil is twice as good as workman as Bimal and together they finish a piece of work in 9 days. In how many days will Anil alone finish the work?

The volume of a spherical balloon is increased by 700%. What is the percentage increase in its surface area?