According to the question, => 21n = 9 × (n – 50) + 1620 => 21n - 9n = 1620 – 450 => n = 97.5
Deepak and Deepti with each other can complete a work in 60 days, Deepti and Danny in 90 days and Deepak and Danny in 90 days. In how many days can De...
10 men or 50 women can complete a piece of work in 40 days. A man and a woman together complete the work and receive a total wage of Rs. 6,000. Find the...
'A', 'B' and 'C', alone can complete a piece of work alone in 12 days, 15 days and 20 days, respectively. 'A' started working alone. In how many days w...
Ankit began a task but left it after working for 32 days. The remaining 60% of the task was then completed by Bittu and Sittu wor...
A work can be completed by ‘A’ and ‘B’, alone in 18 days and 10 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
Virat can do a piece of work in 26 days and Sachin can do the same work in 39 days. If Virat works for 5 days and got Rs. 3000, and the remaining work w...
The amount of work completed by 24 men in 5 hours is equivalent to the work done by 21 women in 8 hours. A team of 33 men, working 6 hours daily, can fi...
A work can be completed by ‘A’ and ‘B’, alone in 7 days and 14 days, respectively. Find the number of days taken by ‘C’ to complete the same...
‘A’ alone can complete a work in 65 hours. ‘A’ started the work alone and left after working on it for 40 hours. If ‘B’ completed the rest o...
Aman and Bhanu, working separately, can complete a task in 32 days and 40 days, respectively. They started working together, but ...