Lima can do a job in 6 hours. If Sima works with her, the job will be completed in 2 hours. How many minutes would it take Sima to do the job alone?
A. 70 minutes
B. 95 minutes
C. 180 minutes
D. 205 minutes
E. 215 minutes
সঠিক উত্তরঃ
C.
180 minutes
Explanation:
Related Questions (Any University/Year)
- The difference of two integers is 4 and their sum is 14. What is their product?
- If N is odd, Which of the following represents life third number following N?
- there are 18 bananas on a tree. If one monkey eats 1/3 of bananas and another monkeys eats 1/3 of the rest. How many bananas are still on the tree?
- 230+230 +230 +230=
- Rabib has x more marbles than Rafi has. Together they have y marbles.Which of the following represents the number of marbles that Rafi has?
- A straight fence is to be constructed from posts 6 inches wide and separated by lengths of chain 5 feet long. If a certain fence begins and ends with a post, which of the following could be the length of the fence in feet? (12 inches = 1 foot). Indicate ALL such answers.
- In his pocket , a boy has 3 red marbles , 4 blue marbles , and 4 green marbles , How many marbles will he have to take out of his pocket to ensure that he has taken out at least one of each colour?
- Out of a total of 1,000 employees at a certain corporation, 52 percent are female and 40 percent of these females work in research. If 60 percent of the total number of employees work in research, how many male employees do NOT work in research?
- Each questions is followed by two statements. Decide whether the data in the statements are sufficient to answer the question. Select your answer according to whether: A TV was listed at a price that would have given the store a profit of 20% of the purchase cost. What is the purchase cost of the TV? (1) After reducing the listed price of the TV by 10%, the TV sold for a net profit of Tk. 10,000. (2) The TV was sold for Tk. 50,000.
- In an excel sheet, there are 5 rows and 5 columns where you can put either 5 or 10 . Suppose the number of 5 s in \(x^{th}\) row of the table is \(x-1\) for each row. What is the arithmetic mean of all the numbers in the table?
- A PhD research group has 12 male and 18 female participants. Males are what fraction of the class?
- Shabbir has a brother one-fourth of his age and a sister two times of his age. If the combined age of all the three siblings is twenty more than thrice the age of the youngest, how old is Shabbir's sister?
- At an election inolving two candidates. 68 votes were declared invalid. The winning candidate secured 52% and won by 98 votes. The total number of votes polled was.
- What percent of 50 is 50?
- The average weight of 3 young men is 53 kg. None of them weighs less than 51 kg. What is the maximum weight of any one man?
- একটি ঘড়ি ১৫০ টাকায় বিক্রয় করলে ২৫% ক্ষতি হয় । ঘড়িটির ক্রয় মূল্য কত ?
- If x+y=4, y+z = 8 and z+x= 6, then 2y-z-0
- . If the volume of a cube is x cubic feet and the total surface area of the cube is x square feet, then what is the total length, in feet, of all the cube's edges?
- তিনটি সংখ্যার গড় হচ্ছে ৬ এবং চারটি সংখ্যার ( পূর্বের তিনটিসহ) গড় হচ্ছে ৮ । চতুর্থ সংখ্যাটির অর্ধেক কত.হবে?
- Two trains are running in opposite directions in the same speed. The length of each train is 120 metre. If they cross each other in 12 seconds, the speed of each train (in km/hr) is:
- সাকিবের ১০ ইনিংসের রানের গড় ৪৫.৫। ১১তম ইনিংসে কত রান করে আউট হলে সব ইনিংস মিলিয়ে তার রানের গড় ৫০ হবে?
- তিনটি মেশিন একটি কাজ যথাক্রমে ৪, ৬ এবং ৮ ঘণ্টায় সম্পন্ন করতে পারে। দুইটি মেশিন সর্বোচ্চ ক্ষমতায় কাজ করে এক ঘণ্টায় কতটুকু কাজ করতে পারবে?
- 20% of 50 = 50% of?
- What is 10% of of 20% of 30%?
- In TownshipK each property is taxed at 8 percent of its assessed value. If the value of a property in Township K is increased from $20,000 to $24,000, by how much will the property tax increase?
- Asif has a square garden with a perimeter of x feet. David has a rectangular garden with a perimeter of x feet and the length is 1 foot longer than the width. Who has the larger area?
- Laila invested Tk. 10,000 in a new mutual fund account exactly three years ago. The value of the account increased by 10 percent during the first year, increased by 5 percent during the second year, and decreased by 10 percent during the third year. What is the value of the account today?
- কাফি ও খলিল একটি কাজ যথাক্রমে ১০ দিনে ও ১৫ দিনে করতে পা??ে। তারা একত্রে কাজটি কত দিনে করতে পারবে?
- If y% of x is 29.Then x=?
- 39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?
- In the trapezoid, <CAB= DBA =60° and AC= DB = 10 cm. Find the area of the trapezoid.
- In a certain village, m litres of water are required per household per month. At this rate, if there are n households in the village, how long (in months) will p litres of water last?
- A motorcycle stunt man belonging to a fair rides over the vertical walls of a circular wall at an average speed of 54 km/h for 5 minutes. If the radius of the wall is 5 meters then the distance travelled is -
- If a family was randomly picked from the families in the previous question, what is the probability (approximately) of that family having working mothers as member?
- On glancing through your morning newspaper you notice that four pages are missing. One of the missing pages is page 8. The back page of the newspaper is 28. What are the other three missing pages?
- The members of an association decided to contribute equally to create a fund of Tk. 45,000. Five members refused to contribute, so each of the other members had to contribute additional tk. 15 for that fund. How many members were there in the association?
- In Hotel Sea View, the daily rate for an economic room, which can accommodate a maximum of four people, is Taka 800 for one person and Taka X for each additional person. If 3 friends take the room for one day and each pays Taka. 450 for the room, what is the value of X?
- 3, 9 ও 4 এর চতুর্থ সমানুপাতিক কত?
- The daily rate of a hotel room that accommodates 4 people is Taka 3900 for one person and Taka x for each additional person. If 3 people take the room for one day and each pays Taka 2100 for the room, what is the value of x?
- If Mohan buys a chair at 75% of its value and sells it for 20% more tan its value, his profit will be -
