Question
In a mixture of 45 litres, the ratio of wine to water is
2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?Solution
Quantity of wine in the mixture = 45 × 2/5 = 18 litres Quantity of water in the mixture = 45 × 3/5 = 27 litres Let x liters water be added to the mixture then, 18/(27+ x) = 1/3 54 = 27 + x x = 54 - 27 = 27 litres
A pipe can fill a tank in 12 hours, while a second pipe can empty it in 18 hours. If both pipes are opened at the same time, how long will it take to fi...
Ram and Shyam are partners in completing a project. Ram can finish the project in 42 days, while Shyam can complete it in 54 days. Both began the projec...
Aamir is twice as efficient a worker as Bender and together they can complete a work in 42 days. In how many days will Aamir alone complete the same work?
40 laborers were hired to finish a construction job in 50 days. After 35 days of work, only 70% of the job was done. How many additional laborers are ne...
- 12 men working for 6 hours a day can complete a work in 20 days. If 30 women are employed to work, then find how many hours a day they have to work to comp...
Ratio of the work done by P, Q and R in one day is 8:5:9 respectively. They all together can complete the work in 40 days. Q and R worked on it for 32 d...
A and B together can complete a work in 7.2 days, while B and C together can complete the same work in 12 days. If A is twice efficient than C, then fin...
'Alex,' 'Ben,' and 'Charlie' can individually complete a task in 40, 60, and 100 days, respectively. They decide to work together, but there's a unique ...
Worker ‘P’ can complete a job in 30 days, and together with ‘Q’, they can finish it in 12 days. If ‘Q’ worked alone for 15 days and then sto...
Suppose ‘n’ employees can process all the files in 50 days. If 10 more employees had participated, the work would be completed in 30 days. Find the ...
Relevant for Exams:
