If 12 men can build a wall 180 m long in 54 days, how many days it will take to build a similar wall 160 m long, if 16 men working on it
A. 24
B. 36
C. 28
D. 35
সঠিক উত্তরঃ
B.
36
Explanation:

Related Questions (Any University/Year)
- An elevator has a capacity of 20 adults or 24 children. How many children can ride with 15 adults?
- A train 108 metre long is moving at a speed of \(50~km/hr\). It crosses a train 112 metre long coming from opposite direction in 6 seconds. What is the speed of the second train?
- It takes 30 days to fill a laboratory dish with bacteria, If the size of the bacteria doubles each days, how long will it take for the bacteria to fill one-----half of the dish?
- A teacher has 3 hours to grade all the papers submitted by the 35 students in her class. She gets through the first 5 papers in 30 minutes. How much faster does she have to work to grade the remaining papers in the allotted time?
- এক মণ ধানে চাল ও তুষের অনুপাত ১৪ঃ৬ হলে, এতে শতকরা কি পরিমান চাল আছে?
- A wholesaler ordered 120 units of a certain product from its producer. The product would be sold at a price of BDT 500 each which was marked 20% over its initial cost. However, the wholesaler could not sell 12 units of that product which were returned to the producer for a refund of 50% of the wholesaler's initial cost. What was the wholesaler's approximate profit or loss as a percentage of his initial cost for the 120 units?
- What number should replace the question mark?
- ৩৫০ টাকা দরে ৩ কেজি মিষ্টি কিনে ৪ টাকা হারে ভ্যাট দিলে ভ্যাটের পরিমাণ কত টাকা?
- of the 400 students in a business school,30% were women and of these 1/5th became entrepreneurs.If the number of men who became entrepreneurs was twice the number of women entrepreneurs,how many men became entrepreneurs?
- 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 not be the length of the fence in feet? ( 12 inches = 1 foot)
- 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?
- A can complete a project in 20 days and B can complete the same project in 30 days. If A and B start working on the project together and A quits 10 days before the project is completed, in how many days will the project be completed?
- একটি সংখ্যার ৭৫% এর সাথে ৭৫ যোগ করলে ফলাফল হিসেবে পূর্বের সংখ্যাটি পাওয়া যায়। সংখ্যাটি কত?
- 9 numbers are written in ascending order, middle number is average of that nine numbers. Average of five larger numbers is 68 and also average of five smaller numbers is 44. What is the sum of all nine numbers?
- If the base of a triangle is increased by 20% and the height is decreased by 25%, then the area of the triangle is:
- A certain elevator has a safe weight limit of 2,000 pounds. What is the greatest possible number of people who can safely ride on the elevator at one time with the average (arithmetic mean) weight of half the riders being 180 pounds and the average weight of the others being 215 pounds?
- The average of runs of a cricket player of 10 innings is 32. How many run does he require in the next innings so as to increase his average by 4 runs?
- At a certain party attended by 32 people, 24 of them were students. If 12 of those in attendance were women, and if 6 of the women in attendance were students, then how many of the men who attended the party were NOT students?
- A woman was 30 years old when her daughter was born. Her age is now 6 years more than three times her daughter’s age. How old will be the daughter in 10 years?
- একটি বড় বাক্সের মধ্যে ৪টি বাক্স আছে ও তার প্রত্যেকটির ভেতর ৪টি করে ছোট বাক্স আছে। মোট বাক্সের সংখ্যা কত?
- If radius of Earth is 4 times that of Moon, then how many times the surface area of the Moon is that of the Earth?
- ৬০° কোষ করে অবস্থিত দুটি দর্পণের মাঝে ১টি বস্তু স্থাপন করিবে কয়টি প্রতিহিত সৃষ্টি হয়?
- If x is an integer and (x^2
- Mehran was asked to find the value of 7/12 of a sum of money. Instead of multiplying the same by 7/12, he divided it by 7/12 and his answer exceeded the correct answer by 95. The correct answer is:
- X হচ্ছে একটি ধনাত্মক সংখ্যা। যখন X+1 কে ৬ দ্বারা ভাগ করা হয় তখন অবশিষ্ট থাকে ৫। X কে ?? দ্বারা ভাগ করলে অবশিষ্ট থাকে-