In a certain village, m liters of water are required per household per month. If there are households in the village, how long (in months) will p liters of water last?
A. P/(mn)
B. mn/p
C. mp/n
D. np/m
E. npm
সঠিক উত্তরঃ
A.
P/(mn)
Explanation:
Related Questions (Any University/Year)
- If y% of x is 29. Then x =?
- On a certain street, there is an odd number of houses in a row. The houses in the row are painted alternately white and green, with the first house painted white. If 'n' is the total number of houses in the row, how many of the houses are painted white?
- An engineer designed a ball so that when it was dropped, it rose with each bounce exactly one-half as high as it had fallen. The engineer dropped the ball from a 16-meter platform and caught it after it had traveled 46.5 meters. How many times did the ball bounce?
- In a certain school, the ratio of Seniors to Juniors is 5:4, and the ratio of Seniors to Sophomores is 6:5. What is the ratio of Juniors to Sophomores?
- If 6 men can complete a work in 10 days, how many men can complete the work in 6 days?
- The elecrtic company charge : Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- Which of these is NOT a correct way to find 75% of 25?
- If P denotes + Q denotes - R, denots +and S denotes X, then what is the value of 18s36R12Q6p7?
- How many singles did he take?
- A room at Zaber Hotel International can accommodate 4 people. The rate is 3900 one person and Tk. X for each additional people. If 3 people take the room for one night and pays Tk. 2100 per person, what is the value of X?
- If X⁴ = 81 and Y² = 49, then maximum possible value for Y-X is
- The ratio of labor cost and materials cost for making a radio is 2:7. If the cost price is 90% of the selling price which is Tk. X, what is the labor cost per radio?
- Which of the following fractions is the smallest ?
- Tom and Bill agreed to race across a 50 foot pool and back again. They started together but Tom finished 10-ft ahead of Bill. If their rates were constant and Tom finished the race in 27 seconds, how long did Bill take to finish it?
- Monwar, Jasmin and Khairul had lunch together. Khairul's meal cost 50% more then Jasmin's meal cost and Monwar's meal cost 516 as much as Khairul's meal. If Jasmin paid TK. 1000 for her meal, what was the total amount they paid for lunch?
- In a local election X and Y contested. X won the election as the ratio to his votes and those of Y was 4:3 The total number of voters was 5810, of which 910 , did not vote . what is the margin of votes by which Y was defeated?
- 36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?
- Long distance phone calls cost ten cents for the first minute plus four cents for each additional minute... Let m equal the total number of minutes.
- A bus is traveling with 60 passengers. When it arrives at a stop, x number of passengers get off and 8 get on. At the next stop, one third of the passengers on board get off and 5 get on. There are now 37 passengers on the bus. Find x.
- At a club, 70% of the members are women and 60% of the members are married. If 2/3 of the men are single, what fraction of the women is married?
- If s shirts can be purchased for d dollars, how many shirt can be purchased for t dollars?
- A student multiplied a number by 3/5 instead of 5/3 , What is the percentage error in the calculation?
- চিনির দাম ২০% কমল, কিন্ত চিনির ব্যবহার ২০% বৃদ্ধি পেল। এতে চিনি বাবদ ব্যয় শতকরা কত বাড়ল বা কমল?
- কাফি ও খলিল একটি কাজ যথাক্রমে ১০ দিনে ও ১৫ দিনে করতে পা??ে। তারা একত্রে কাজটি কত দিনে করতে পারবে?
- ২ঃ৩ এর ব্যস্তানুপাত---
- If one man or two women or three boys can finish a job in 66 days, then find out the number of days in which that work can be done by one man, two women, and three boys.
- সম্পূর্ণ খালি একটি চৌবাচ্চা একটি পাইপ দিয়ে ৫ ঘণ্টায় সম্পূর্ণ ভর্তি করা হয়। দ্বিতীয় একটি পাইপ দিয়ে চৌবাচ্চাটি পূর্ণ করতে ৩ ঘণ্টা সময় লাগে। দুটি পাইপ একসাথে ব্যবহার করে চৌবাচ্চাটি ২৩ অংশ পূর্ণ করতে কত সময় লাগবে?
- A motorcyclist rode to work at an average speed of 15 miles per hour and returned home along the same route at an average speed of 45 miles per hour. If his entire traveling time was 1 hour, what was the total number of miles in the round trip?
- if a ,b and c are 3 consecutive integers in that order ,which of the following has the lowest value?
- Rezoan started a business investing Tk 50,000. Four month after he started ,Ameer joined him with a capital of Tk 90,000 .If at the end of the year the total profit in the business is tk 22000 .What would be the Ameer's share in it
- Stan can run 10 miles per hour, whereas Jack can run only 8 miles per hour.If they start at the same time from the same point and run in opposite directions, how far apart( to the nearest Mile) will they be after 10 minutes?
- In the figure above AD=4,AB=3 and CD=9.What is the area of triangle AEC?
- The figure below shows a path around a triangular piece of land. Mary walked the distance of 8 miles from P to Q and then walked the distance of 6 miles from Q to R. If Taha walked directly from P to R, by what percent did the distance that Mary walked exceed the distance that Taha walked?
- ১ হতে ২০ পর্যন্ত বিজোড় সংখ্যা গুলোর গড় কত ?
- Ajay ranked sixteenth from the top and twenty-ninth from the bottom among those who passed an examination. Six boys did not participate in the competition and five failed in it. How many boys were there in the class?
- A sum of BDT 200 will be divided among 5 swimmers, named Emran, Durjoy, Chopol, Billal and Anabi, who have just finished a swimming competition. Everyone will receive at least BDT 5 and no two swimmers will receive the same amount of money. Emran has come \(1^{st}\) and will get BDT 80; Durjoy has come \(2^{nd}\), Chopol is \(3^{rd}\), Billal is \(4^{th}\) and Anabi is last. Moreover, the distribution of money is subject to the following conditions: • No one will get any fractional amount of money. • The swimmer who finishes earlier must receive more money than the swimmer(s) he defeats. What are the greatest and least amount of money, consecutively, that Billal can receive?
- Find the average of all whole numbers between 1 and 100 that end in 3.
- A sum of money is divided among 3 persons in the ratio 4:6: 9 .If the largest share is tk 1000 more than the smallest share ,what's ithe total sum
- একটি সংখ্যা ৩০১ হতে যত বড় ৩৮১ হতে তত ছোট। সংখ্যাটি কত?
- ৮ টি বানর ৮ মিনিটে ৮ টি কলা খায়, ৪৮ মিনিটে ৪৮ টি কলা কতটি বানর খেতে পারবে?
