946 . A man can do a piece of work in 5 days. But with the help of his son, he can do it in 3 days . In what time can the son do it alone ?
  • A. 6.5 days
  • B. 7 days
  • C. 7.5 days
  • D. 8 days
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947 . A man can now a boat at 10 km/hr in still water. If the speed of the stream is 6 km/hr, the time taken to row a distance of 80 km downstream is:
  • A. 8 hours
  • B. 5 hours
  • C. 10 hours
  • D. 20 hours
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948 . A man can reach a certain place in 40 hours. If he reduces his speed by 1/15th, he goes 5km less in that time. Find the total distance covered by him.
  • A. 60km
  • B. 85km
  • C. 52km
  • D. 75km
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949 . A man can reach a certain place in 49 hours. If he reduces his speed by 1/15th , he goes 5 km less in that time. Find the total distance covered by him .
  • A. 60 km
  • B. 85 km
  • C. 75 km
  • D. 52 km
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950 . A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr, it takes 3 hrs more in upstream than in the downstream for the same distance. The distance is-
  • A. 30km
  • B. 24km
  • C. 20km
  • D. 32km
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951 . a man can row at 5 km/hr in still water. If the velocity of the current is 1 km/hr and it takes him 1 hour to row to a place and come back, how far is the place?
  • A. 2.4 km
  • B. 3 km
  • C. 4.5 km
  • D. 5 km
  • E. None of these
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952 . A man can row downstream at 10 kmph and upstream at 5 kmp. The man's rowing rate in still water is--
  • A. 2.5 km/hr
  • B. 5 km/hr
  • C. 7.5 km/hr
  • D. 15 km/hr
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953 . A man can row downstream at 14 km/h and upstream at 8 km/hr. What is the rate of the stream?
  • A. 22
  • B. 11
  • C. 6
  • D. 3
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954 . A man can row upstream at 10 km/h and downstream at 16 km/h. His rate in still water is---
  • A. 12
  • B. 26
  • C. 13
  • D. 6
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955 . A man can row upstream at 8 kmph and downstream at 13 kmph. The speed of the stream is :
  • A. 2.5 km/hr
  • B. 4.2 km/hr
  • C. 5 km/hr
  • D. 10.5 km/hr
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956 . A man can rows 6 km/hr in still water. When the river is running at 1.5 km/hr, it takes him 1.5 hour to row to a place and back. How far is the place?
  • A. 4.2 km
  • B. 9.5 km
  • C. 6 km
  • D. 5 km
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957 . A man could buy a certain number of notebooks for Tk. 300. If each notebook cost is Tk. 5 more, he could have bought 10 notebook less for the same amount. Find the price of each notebook ?
  • A. 8
  • B. 10
  • C. 15
  • D. 20
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958 . A man deposits certain amount in his bank account. After a few days. he withdraws half of the money deposited and deposits Tk. 500 more. If he has a balance of Tk. 2000 in his bank account, find the amount deposited initially.
  • A. Tk. 1500
  • B. Tk. 2000
  • C. Tk. 2500
  • D. Tk. 3000
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959 . A man deposits TK. 600 in a Bank at 10% interest rate compounded annually. At the end of the second year, what will be the total amount including interest ?
  • A. 660
  • B. 720
  • C. 726
  • D. 626
  • E. 670
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960 . A man has 72 green marbles and 108 red marbles. He decides to pack them into packets of the same size, each containing either all red or all green marbles. What is the greatest number of marbles he can put in each packet?
  • A. 36
  • B. 24
  • C. 18
  • D. 12
  • E. None of these
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