Question
A contractor hired 50 workers to complete a work in 80 days. After 50 days, it was found that only 1/4th of the work was completed. Find the number of extra workers needed to be hired, so that the work gets completed on time.
More Time and work Questions
- Pipe 'A' alone can fill a cistern in 20 minutes. If pipes 'A' and 'B' are opened together, it takes 25 minutes to fill the cistern. Find the time taken by ...
- Ratio of the work done by P, Q and R in one day is 7:3:8 respectively. They all together can complete the work in 42 days. Q and R worked on it for 21 days...
- The efficiency of A, B, C, D are in the ratio of 6 : 5 : 4 : 3. If A and C can do a work together in 6 days. Then How much days B and D will take to comple...
- A, B, and C can complete a task individually in 45, 35, and 63 days respectively. They start working together, but A leaves 24 days before the work is comp...
- A can finish a piece of work in 12 days, B in 15 days. They work together for 4 days, then A leaves and C joins B. C is 25% more efficient than B. In how m...
- Krishna can do a piece of work in 25 days. He alone worked at it for 10 days and then Balram completed alone the rest work in 20 days. In how many days, th...
- P does one fourth as much work as Q in two third of the time. If together they take 24 days to complete the work, how much time shall Q take to do it?
- A buffalo alone can plough field ‘A’ in 80 days. A Bull alone can plough the field ‘A’ in 160 days. Find the number of days taken by 2 bulls and 1 buffalo ...
- 3 men and 2 boys together can complete a work in 30 days. 2 men and 6 boys can together complete half of the same work in 10 days. Find the time taken by 1...
- A team of 15 workers was assigned to complete a task in 30 days. After working together for 20 days, they discovered that only half of the work had been co...
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
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)