Question
A merchant has 20 liters of alcohol. To achieve a 75%
profit by selling the mixture at the original cost price of the alcohol, how much water should he mix with the alcohol?Solution
Quantity of water to be added = 20 × 0.75 = 15 litres Hence, option c.
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...
A man is thrice as fast as a women and a woman is twice as fast as a boy. If all of them can do a work in 18 days. than a boy can do the work in?
Sam alone can complete a work in 60 days. Arun is three times as efficient as Sam. Find the percentage of work completed by Sam and Arun together in 15 ...
8 children and 6 women together can complete a piece of work in 10 days and work done by a children in one day is one-third of the work done by a women ...
24 men can complete 3/5 part of a work in 8 days working 9 hours a day. How many women can complete rest of the work if they work for 8 hours a day for ...
Shivam invested 25000 at 12% p.a. simple interest for ‘x’ months. If at the end of ‘x’ months, he received a total amount of Rs.30000. What is t...
Komal and Seema individually can complete a task in ‘2a’ hours and ‘7a’ hours respectively. If they together can complete half of the work in 7...
- Individually, X, Y and Z can finish a job in 15 days, 20 days, and 24 days respectively. How many days will they take to complete the job working together?
P can do a piece of work in 15 days, Q can complete double the work in 40 days and R can do the work in 20 days. If all of them together earn Rs. 3000, ...
‘A’ and ‘B’ can do a piece of work in 30 days and 40 days, respectively. They started working together but ‘A’ left after 9 days. Find the t...
Relevant for Exams:
