Three men entered into a business in partnership for 14 months, 8 months and 7 months. If the ratio of their profit is 5 : 7 : 8, what is the ratio of their investments?
The perimeter of a rectangle is twice the perimeter of a square of side 18 units. If the breadth of the rectangle is 45, what is its area?
What is the gain percent when articles bought at 6 pieces for Rs.5 are sold at 5 pieces for Rs.6?
Find (1 - cos² θ)(cot²θ + 1) - 1.
If 200 men can dig a canal working for 8 hours a day in 6 days, how long will it take to dig the canal, if 300 men work 6 hours per day?
If x + y = 11, then (−1)x+(−1)y is equal to _____
(where x, y are whole numbers).
If 3/11 < x/3 < 7/11, which of the following values can 'x' take?
A and B together take 5 days to do work, B and C take 7 days to do the same, and A and C take 4 days to do it. Who among these will take the least time to do it alone?
A and B working separately can finish a work in 15 days and 20 days. respectively. If they work on alternate days. A starting first, and if the work goes on for 8 days, what part of the work will be left unfinished?
A and B undertake to do a piece of work for Rs. 330. A can do it in 11 days and B can do it in 22 days. With the help of C, they finish it in 6 days. How much should C be paid for his work?
A alone can complete the project in 10 days; B alone can complete it in 20 days while C alone can complete it in 30 days. They together earn Rs. 1,100 for the project. By how much do the total earnings of A and C exceed the earnings of B?
Raj alone can do a piece of work in 8 days. Raman alone can do it in 12 days. If the total wage for the work is Rs. 500. How much should Raj be paid if they work together for the entire duration of the work?
If 10 men and 12 women can earn Rs.12880 in 7 days, and 15 men and 6 women can earn Rs.17280 in 9 days, then in how many days will 8 men and 10 women earn Rs.15000?
A can make a divider in 20 days, while B can make it in 50 days. If they work together and get Rs.3500, then find the share of B in the amount.
A, B and C can do a work in 20, 30 and 60 days respectively. If total Rs, 3000 is given to them, then find their individual share.
Tripti can construct a divider alone in 4 days while Rajan can construct it alone in 3 days. If they construct it together and get a payment of Rs. 14000, then what is Tripti's share?
On a certain sum of money, the Simple Interest for 2 years is Rs.140 at 4% per annum. Find the difference between Compound Interest and Simple Interest on the same sum at same rate and same period.
Six typists can type a given data in 16 days. How many days will 4 typists take to do the same work?
A train passes a platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/h, what is the length of the platform?
Find the percentage of wastage material in converting a cylinder of base diameter 10 cm and height 20 cm into a cone of equal base, but double the height of the cylinder.
Arun wants to pay Rs.16000 cash for a colour television and Bala wants to purchase the same for Rs.17776, due after 2 years. If the rate of Simple Interest is 5% per annum, which of the deals is better for the shopkeeper?
Find the value of cot2θ−cos2θ.
A & B together do a work in 40 days. B & C together do in 25 days. A and B started working together, and A left work after 6 days & B left work after 8 days. After A left, C join the work & C completed the work in 40.5 days, C alone can complete the work in how many days?
X, Y and Z can complete a piece of work in 46 days, 92 days and 23 days, respectively. X started the work. Y joined him after 7 days. If Z joined them after 8 days from the beginning, then for how many days did Y work?
The working efficiency of Ram, Shyam and Shiva is 4 : 2 : 1. Shiva alone can complete the work in 100 days. If Ram and Shyam work together for 16 days and leave, then find the number of days required by Shiva to complete the remaining work.
The working efficiency of Raja, Ram and Mohan is 6 : 3 : 2. Raja can complete the whole work in 10 days. Raja and Ram together work for the first two days and then Raja and Mohan work for next 4 days and the remaining work is completed by Mohan. Find the total time taken to complete the work.
A can do a piece of work in 16 days and the same work can be done by B in 24 days, If they work individually on alternate days (i.e., on the first day A does the work and on the second day A was on leave and B done the second-day work and so on.) and A starts the work, then find the total days required to complete the work.
A and B can complete a task together in 35 days. If A works alone and completes 5/7 of the task and then leaves the rest for B to complete by herself, it will take a total of 90 days to complete the task. How many days would it take A, the more efficient among the duo, to complete the entire work by herself?
In a computer game, a builder can build a wall in 20 hours while a destroyer can completely demolish such a wall in 40 hours. In the beginning, both builder and destroyer were set to work together on a basic level. But after 30 hours the destroyer was withdrawn. What was the total time taken to build the wall?
Amit can complete a piece of work in 120 days. Amit and Sejal can complete the same work in 72 days. They started together but Sejal left after working for 20 days. Find the approximate number of days in which Amit will complete the remaining work.
A, B, and C can do a piece of work in 42, 56, and 63 days respectively. They started the work together but A left the work 10 days before the completion of the work while B left the work 12 days before the completion. Find the number of days (approximate) to complete the whole work.
Robert takes twice as much time as Tom and thrice as much time as George to complete a work. If working together, they can complete it in 23 hours, then find the time that Tom will take to complete the work.
X takes twice as much time as Y or thrice as much time as Z to finish a job. Working together, the trio can finish the job in 2 days. Y alone can do the work in ______.
The efficiency of A and B to do a work is in the ratio 3 ∶ 5. Working together they can complete a work in 30 days. In how many days A alone will complete that work?
How many men will be required to plough 50 acres of land in 10 days if 15 men are required 6 days to plough 10 acres of land?
15 men can complete a task in 10 days. In how many days can 20 men complete the same task?5.5 days
30 men working 8 hours per day can dig a pond in 16 days. By working how many hours per day can 32 men dig the same pond in 20 days?
If 12 men or 20 women can do a work in 54 days, then in how many days can 9 men and 12 women together do the work?
40 persons can repair a bridge in 12 days. If 8 more persons join them, then in how many days bridge can be repaired?
40 mechanics can repair a bike in 56 days. In how many days 32 mechanics will do the same work?
16 workers working 8 hours per day can demolish a building in 32 days. In how many days 24 workers working 12 hours per day can demolish the same building?
A and B can do a work together in 18 days. A is three times as efficient as B. In how many days can B alone complete the work?
P alone can complete a work in 16 days and Q alone can complete the same work in 20 days. P and Q start the work together but Q leaves the work 7 days before the completion of work. In how many days the total work will be completed?
A and B can do a job in 10 days and 5 days, respectively. They worked together for two days, after which B was replaced by C and the work was finished in the next three days. How long will C alone take to finish 60% of the job?
A, B, and C can do a work separately in 18, 36 and 54 days, respectively. They started the work together, but B and C left 5 days and 10 days, respectively, before the completion of the work. In how many days was the work finished?
K alone can complete a work in 20 days and M alone can complete the same work in 30 days. K and M start the work together but K leaves the work after 5 days of the starting of work. In how many days M will complete the remaining work?
Ravi, Manish and Naveen alone can complete a work in 30 days, 15 days and 10 days respectively. They start the work together but Ravi leaves the work after 2 days of the starting of the work and Manish leaves the work after 3 days more. In how many days Naveen will complete the remaining work?
A can finish 3/5th of a task in 6 days and B can finish 2/3th of the same task in 12 days. A and B worked together for 5 days. C alone completed the remaining task in 8 days. B and C, working together, will complete the same task in:
A and B can do a piece of work in 10 days and 15 days, respectively. They work together for 4 days. The remaining work is completed by C alone in 12 days. C alone will complete 4/9 part of the original work in:
A and B together can do a certain work in 20 days, B and C together can do it in 30 days, and C and A together can do it in 24 days, B alone will complete 2/3 part of the same work is∶