Question
Which one of the following is the oldest
industry of India?Solution
The correct answer is B
A alone can do a piece work in 15 days and the time taken by A alone is 50% more than the time taken by B. They started work together alternatively star...
Before servicing, a car runs at a speed of 20 km/hr while after servicing, it runs at a speed of 30 km/h. After servicing the car covers a certain dista...
- 2 assistants are as efficient as one senior officer. If 40 assistants prepare 100 reports in 5 days, how many senior officers are needed to prepare 100 rep...
Komal and Seema individually can complete a task in ‘3a’ hours and ‘5a’ hours respectively. If they together can complete (2/3)rd of the work in...
A and B together can complete a job in 2 days. A alone takes x + 6 days to complete the job, while B alone takes x + 24 days to complete the same job. <...
A work can be completed by ‘A’ and ‘B’, alone in 10 days and 12 days, respectively. Find the number of days taken by ‘C’ to complete the sam...
- 'S' alone does a work in 18 days. 'T' is 50% more efficient than 'S'. Both work together but 'S' leaves after 6 days. Find the number of days 'T' will take...
A, B and C alone can complete a work in 18, 32 and 24 days respectively. All of them started working together but after 3 days from start A left the job...
- 'Ravi', 'Sohan', and 'Karan' can individually finish a task in 45, 30, and 60 days, respectively. Sohan and Karan work together for ‘x’ days and then l...
40 men can complete a piece of work in 48 days. ‘x’ men started the work and after 33 days 64 more men joined them so that whole work was finished i...
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