Related Questions

If Arif works alone he will take 20 more hours to complete a task than if he works with Babu to complete the task. If Babu work alone, he will take 5 more hours to complete the task than if he works with Arif to complete the task. What is the ratio of the time taken by Arif to than taken by Babu if each of them works alone to complete the task?
.Knowledge of local language isক necessary for bank officers because the are to understandখ what their customers say গ. No errorঘ
For nearly half a centuryক he lived in that village, sharingখ the joys and sorrows of the people there, but later he left the village and has not been heard of sinceগ. No errorঘ
Hardly had heক arrived when the house caugth fireখ and everything was reduced to ashes গ No errorঘ 
The Jungle boys knows howক to start engineখ but does not know to stop it গ. No errorঘ
I found him guilty. here "guilty" is--
Rakib can complete a task in 30 minutes, and together with his brother Momin, he can complete the task in 20 minutes. How long would it take for Momin working alone to complete the task?
If 12 man work on a particular task. It takes them 24 days to complex it. On the other hand 12 women can complete the same task in 12 days. How many days would it take if the 12 man and 12 women complete with each othre to finish the same task?
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?
A can complete a task alone in 8 days, while B takes 12 days to do it by herself. Together with C it takes them 4 days to complete the work. If C and D together can complete the task in 15 days, then how many days will D need to complete the task by herself?