Question
P can do a piece of work in 20 days, Q can do the same piece of work in 24 days while R can do it in 30 days. They started working together but after 4 days ‘P’ left the work and the remaining work was completed by Q and R together. Find in how many days will the work be completed?
More Difficult level Section Tests Questions
- A merchant made a profit of Rs. 600 on selling a gadget. Had the cost price been Rs. 400 lower and the selling price Rs. 900 more, the profit would have be...
- Pipe ‘P’ alone can fill a tank in 12 minutes. If pipes ‘P’ and ‘Q’ are operated together, they fill the tank in 16 minutes. Find the time taken by pipe ‘Q’...
- If the roots of the quadratic equation 6m² + 7m + 8 = 0 are α and β, then what is the value of [(1/α) + (1/β)]?
- The ratio of the angles of a quadrilateral is 3:2:7:8. What is the sum of the largest and the smallest angle?
- Ramesh builds 30 chairs in 6 days while Suresh builds 24 chairs in 4 days. How many chairs can both Ramesh and Suresh build in one day together?
- ‘Amit’ is 1.5 times as efficient as ‘Bhuvan’, who is 1/3 as efficient as ‘Chirag’. If Amit and Chirag together complete a work in 18 days, how long will Bh...
- Ravi and Kunal initiated a joint venture by contributing Rs. 6,000 and Rs. 7,200 respectively. After 6 months, Ravi boosted his investment by 30% and Kunal...
- If a ten-digit number 57a61395z2 is divisible by 72, then find the number of possible values of ‘a’.
- Find the difference between the compound interest earned on Rs. 12,000 for 2 years at 10% p.a., compounded annually, and the simple interest earned on Rs. ...
- Pipe 'X' alone takes 20 minutes to fill half of the empty tank. Pipe 'Y' is twice as efficient as pipe 'X'. What percentage of the tank is filled by pipes ...
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
