Q: To do a certain work, B would take time thrice as long as A and C together and C twice as long as A and B together. If the three men together can complete the work in 10 days, how long would each take by himself?

Q: If 5 men with 7 boys can earn Rs.127.50 in 6 days and 2 men with 3 boys can earn Rs.35 in 4 days, then find the time in which 7 men with 6 boys will earn Rs.750.

Q: Eight engineers with 2 technicians can design a house in 7 hours, which 25 engineers with 13 technicians can do in 2 hours. What fraction of the whole work, can be done in 1 hour by 11 engineers with 20 technicians?

Q: Man is twice the efficient of two women. Woman has a efficiency of three children. Find the salary of Man in the total of Rs.10000 if 1 Man, 1 Woman, 1 child does a piece of work.

Q: P and Q do a work in 21 days. Q and R do that work in 35 days, whereas R and P complete the same work in 28 days. In how many days P alone can complete the work?

Q: Three persons started to complete a project for Rs. 1,600. The first person can complete the project in 8 days, the second person in 12 days and the third person in 16 days. They complete the project together with the help of a fourth person in 3 days. What will the fourth person get?

Q: A and B together can complete a work in 20 days. They started together but after 4 days A left the work. The remaining work was completed by B alone in 24 more days. In how many days can A complete the entire work alone?

Q: Three persons A, B, C finished a piece of work. A worked at it for 5 days, B for 7 days and C for 9 days. Their daily wages were in the proportion of 4 : 3 : 2 and the earnings amounted to Rs.118. What were the daily wages of each of a day(in Rs.)?

Q: 8 men and 4 boys can finish a piece of work in 5 days. 6 women and 8 boys can finish the same work in 5 days. Also, 4 men and 6 women can finish the same work in 5 days. In how many days can 2 men, 3 women and 10 boys finish the same work at their double efficiency?

Q: 8 men with 2 boys can do a piece of work in 7 days, which 25 men with 13 boys can do in 2 days. What fraction of the whole work, can be done in 1 day by 11 men with 20 boys?

Q: The work done by a man, a woman and a child is in the ratio of 3 : 2 : 1. There are 20 men, 30 women and 36 children in a factory. Their weekly wages amount to Rs.780, which is divided by the ratio of work done by the men, women and children. What will be the wages of 15 men, 21 women and 30 children for 2 weeks?

Q: Two coal loading machines each working 12 hours per day for 8 days handles 9 tons of coal with an efficiency of 90%. While 3 other coal loading machines at an efficiency of 80% set to handle 12 tons of coal in 6 days. Find how many hours per day each should work?

Q: If A takes half as long to do a piece of work as B takes and if C does it in the same time as A and B together and if all three working together would take 7 days, then how long would each take separately?

Q: Two workers A and B working together completed a job in 5 days. If A worked twice as efficiently as he actually did and B worked $\frac{1}{3}$ as efficiently as he actually did, the work would have been completed in 3 days. A alone could complete the work in?

Q: Working together B and C take 50% more number of days than A, B and C together take. A and B working together, take 8/3 more number of days than A, B and C take together. If A, B and C all have worked together till the completion of the work and B has received Rs.120 out of the total earning of Rs.450, then in how many days did A, B and C together complete the whole work?

Q: Two candles of the same length are lighted at the same time. The first is consumed in 6 hours and the second in 4 hours. Assuming that each candle burns at a constant rate, in how many hours after being lighted was the first candle twice the length of the second?

Q: In a chemical plant there are 5 pipelines A,B,C,D and E carrying pure water, 10% HCL, 20% HCL, 30% HCL and 40% HCL respectively. A,B,C,D and E can individually fill a cistern in 20,30,60,90 and 120 hours respectively. On Monday morning at 10am pipe A is opened. Thereafter at the end of every hour the other pipes are opened in the order B,C,D and E. The concentration of HCL in the cistern at 6 pm on the same day will be

Q: Time taken by A, B and C to complete the work are in the ratio of 5 : 7 : 8. Total salary is Rs. 26200. Find the share of A.

Q: 3 men, 4 women, and 6 children can complete a work in 7 days. A woman does double the work a man does and a child does half the work a man does. How many women alone can complete this work in 7 days?

Q: There was a leakage in the container of the crude oil. If 20 kg oil is leaked out per day then it would have lasted for 40 days, if the leakage was 25 kg per day, then it would have lasted for only 35 days. For how many days would the oil have lasted, if there was no leakage and it was completely used for domestic purposes?

Q: Ready Tailoring services is very well known in its quality and time bound services. The company (Ready Tailoring Services) received a large order for stitching military uniforms. They have two different orders to prepare the shirts one for officers and second for Jawans (non-Officers). It has three cutters who will cut the fabric. Six tailors who will do the stiching and 3 assistants to stitch the buttons and iron the shirts. Each of these 12 persons will work for exactly 8 hours a day. Each of the officers uniform requires 20 minutes for cutting the fabric. 1 hour for stitching and 20 minutes for stitching buttons and ironing the shirts. Whereas the Jawan’s uniform requires 15 minutes for cutting the fabric and 60 minutes for stitching and 10 minutes for buttons and ironing.If the company can increase maximum 3 employees of any category then for which category should it hire to get maximum increase in production capacity, assuming that it needs to stitch only officer’s uniforms:

Q: There is sufficient food for 500 men for 40 days. After 10 days, 200 men leave the place. How many days will the rest of the food last for the rest of the men?

Q: 45 senior technicians or 60 junior technicians can repair a truck in 20 days. How many days will 15 senior technicians and 20 junior technicians take to complete the work?

Q: If 5 men with 7 boys can earn Rs.127.50 in 6 days and 2 men with 3 boys can earn Rs.35 in 4 days, then find the time in which 7 men with 6 boys will earn Rs.750?

Q: P, Q and R get Rs. 10800 for doing a work in 18 days. P and R get Rs. 3760 for doing the same work in 10 days, while Q and R get Rs. 6080 for doing the same work in 20 days. Find the amount received by R per day?

Q: P can do a job in 30 days, while Q alone can do it in 45 days. They work together for 15 days and the rest of the job is done by R in 6 days. They get Rs.15000 for the whole job. What will be R’s share?

Q: Anand can do a piece of work in 45 days, but Bahuguna can do the same work in 5 days less than Anand, when working alone. Anand and Bahuguna both started the work together but Bahuguna left after some days and Anand finished the remaining work in 56 days with half of his efficiency but he did the work with Bahuguna with his complete efficiency. For how many days they had worked together?

Q: If 20 men complete one-third of a piece of work in 20 days, how many more men should be employed to finish the rest of the work in 25 days?

Q: There are three boats B1, B2, and B3 working together they carry 60 people on each trip. One day an early morning B1 carried 50 people in a few trips alone. When it stopped carrying the passengers B2 and B3 started carrying the people together. It took a total of 10 trips to carry 300 people by B1, B2 and B3. It is known that each day on average 300 people cross the river using only one of the 3 boats B1, B2, and B3. How many trips it would take to B1 to carry passengers alone?

Q: A person was appointed for a 50 days job on the condition that he will be paid Rs. 12 for every working day but he will be fined Rs. 6 for every day he remains absent. After the completion of the work, he got Rs. 420. For how many days, he did not work?