Rashid can do a piece of work in 8 days, which Tipu can finish in 12 days. If they work at it on alternate days with Rashid beginning, in how many days, the work will be finished?
A.
28/3 days
B.
19/2 days
C.
217/24 days
D.
31/3 days
E.
None of these
সঠিক উত্তরঃ
B.
19/2 days
Explanation:
Related Questions (Any University/Year)
- আলোর গতিবেগ সেকেন্ডে :
- Painting a well costs BDT. 50 per sq. m. If the 20m long wall has a width of 10m , how much would it cost to paint 7/10th of the wall?
- Four students aged 11,9, 7 and 4 share a sum of money in the ratio of their ages . If the youngest student receives TK. 1,200 what is the sum of money ?
- Two pipes can fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 minutes. The capacity of the tank is ----
- The ratio of investments of two partners P and Q is 7 : 5 and the ratio of their profits is 7 : 10. If P invested the money for months, find for how much time did Q invest the money .
- A book sells for TK. 65. This price gives the seller a profit 30% on his cost. What will bi the new selling price if he cuts his profit to 10% of the costs ? ?
- ০.১×০.০১×০.০০১০.২০×০.০২ এর মান কত ?
- 75% of students of a class answered Question No. 1 correct and 55% answered Question No. 1 correct and 20% answered neither question correctly . What percent of students answered both question correctly ?
- A club collected exactly Tk. 599 from its members. If each member contributed at least Tk. 12, what is the largest numbers the club could have?
- In an examination, a student has to secure 40% marks to pass. One student got 40 marks and failed by 40 marks. What was the total marks in the examination?
- The ratio between the length and the perimeter of a rectangular plot is 1:3. What is the ratio between the length and breadth of the plot?
- Pick the odd one out -331, 482, 551, 263, 383, 242, 111
- If x-y=2 and xy=80. What is the value of x3-y3?
- ১+২+৩+.........+১০০=কত?
- If you had only one match stick and entered a COLD and DARK room, where there was an oil heater, an oil lamp and a candle , which would you light first ?
- In how many years amounts of money will treple itself at a simple rate of interest is 20% per annum?
- On sports day. if 30 children were made to stand in a column, 16 columns could be formed. If 24 children were made to stand in a column,how many columns could be formed?
- per day wage rate of workers is reduced 50% due to economic slow down. After one year ,the wage rate is increased by 60% . If the per day wage rate before the decrease was Tk.. 100, then what is the per da y wage rate Now?
- x+y=3 হলে x3+y3+9xy এর মান কত?
- ১ কোটিতে কত মিলিয়ন ?