Question
The most important commercial source of tartaric acid
is:Solution
Grapes are a rich natural source of tartaric acid, widely used in the food and pharmaceutical industries.
‘A’ and ‘B’ can do a piece of work in 15 days and 20 days, respectively. They started working together but ‘A’ left after 3 days. Find the t...
‘A’ is 25% more efficient than ‘B’. ‘A’ and ‘B’ work together for 5 days after which ‘A’ is replaced by ‘C’. ‘B’ and ‘C’...
Ratio of the work done by P, Q and R in one day is 5:4:8 respectively. They all together can complete the work in 40 days. Q and R worked on it for 20 d...
A does 2/5 of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in
...
The time taken by ‘A’ to build a wall alone is 50% more than the time taken by him to build it along with ‘B’. ‘B’ will take how much percen...
Worker A can build a wall alone in 30 days. When A and B work together, they can complete the wall in 16 days. If B starts building the wall alone and w...
Mike and Jenny alone can complete a task in 24 days and 40 days respectively. They aim to finish the work in 'd' days. What percentage increase in Jenny...
- Time taken by 'X', 'Y' and 'Z' to finish a task is 48 days, 72 days, and 96 days respectively. All started the task together, but 'X' left 12 days before c...
‘A’ is 25% less efficient than ‘B’, and ‘C’ is 75% more efficient than ‘B’. All three together complete a task in 32 days. After ‘A’...
Amin, Basha and Cheez can do a piece of work in 90, 40 and 12 days respectively. But they decide. That a single person will work in a day and receive Rs...
Relevant for Exams:
