A & B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same work in :
A. 42
B. 72
C. 84
D. 96
সঠিক উত্তরঃ
C.
84
Explanation:
Related Questions (Any University/Year)
- 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
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- At a certain university, 60% of the professors are women, and 70% of the professors are tenured. If 90% of the professors are women, tenured, or both, then what percent of the men are tenured?
- The cost of pen is 20% more than that of a book and the cost of a CD is 3/4 as much as the cost of the pen. If the cost of the pen is tk 90 more than that oh the CD, what is the cost of the book in taka?
- The difference between two positive numbers is 16. If the smaller of those two numbers is 3/5th of the larger, what is the value of the smaller number?
- নিচের ছবিতে ভারসাম্য রক্ষার জন্য কত ওজনের প্রয়োজন?
- current age ratio of father and son is 7:2 After 5 years, their age ratio will be 8:3 what is the corrent age of father?
- In a recent survey among 362 BBA students of IBA, 281 students responded that they watch IPL or English Premier League or both. If 97 of these students do not watch IPL and a total of 204 students watch English Premier League, how many of these students watch both?
- Bill can hammer 20 nails in 6 minutes. Jeff can do the same job in only 5 minutes. How long will it take them to finish if Bill hammers the first 5 nails, then Jeff hammers for 3 minutes then Bill finishes the job?
- The cost of two litres of Oil and its container is taka 100 . If the cost of the container is taka 23 less than the cost of one litre of oil , what is the cost of 1 litre of oil ?
- Two nations produce 1/5 and 3/10 respectively , of The world production of aluminum. What fraction of the world production do the others nation's Produce?
- A CD player and a DVD player have the same price. If the price of the CD player goes up by 10% and that of the DVD player is decreased by 5%, how much more will it cost to buy 5 CD players and 5 DVD players?
- Hisham can now purchase 5 more apples with Tk. 75 because of reduction in price by 20%.Calculate the previous price of one dozen of apples.
- If x+y=4, y+z = 8 and z+x= 6, then 2y-z-0
- Three friends A, B and C have lunch together... What is A's share in the $4?
- If the average of five distinct positive integers is 10, what is the difference between the largest and the least possible values of the greatest of the five integers?
- On a wildlife reserve, the ratio of giraffes to zebras is 37:43. If there are 300 more zebras than giraffes, how many giraffes are on the wildlife preserve?
- Jeff takes 20 minutes to jog around the race course one sme, and 25 minutes to jog around a second time. What is his average speed in miles per hour for the whole jog if the course it 3 miles long?
- Lima is 6 years older than her sister Sharmin, and Jamal is 5 years older than Lima. If the total of their ages is 41, how old is Jamal?
- If 25% of x equals 30% of y and 24% of y equals 20% of z, what is the ration of x to z?
- The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is.
- A man and his wife have seven sons, and everyone of the sons has a sister. How many are there in the family?
- How many flowers are there if all of them are roses except two, all of them are tulips except two and all of them are daisies except two?
- The sum of the weights of P and Q is more than that of R and S taken together.The wight of P is half as much as the sum of the weights of Q and S. The sum of the weights of P and R is the same as the wight of Q and S taken together. Which of the following statements must be incorrect?
- How many sixes did he hit?
