1636 . If 1/x>1/5 then ---
  • A. x<5
  • B. x>5
  • D. x=0
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1637 . If 10% of r is 20% of s, 20% of s is 30% of t and 100% or r is x% of t, then x is--
  • A. 300
  • B. 33.33
  • C. 66.66
  • D. 40
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1638 . If 10 person shake their hands with each other , then total number of handshakes are --
  • A. 100
  • B. 20
  • C. 50
  • D. 45
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Bangladesh Bank - Assistant Director - 2015
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1639 . If 12 men work on a particular task, it takes them 4 days to complete it. On the other hand, 12 women can complete the same task in 12 days. How many days would it take if the 12 men and 12 women cooperated with each other to finish the same task?
  • A. 5 days
  • B. 6 days
  • C. 8 days
  • D. 16 days
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1640 . If 12 years are added to 2/3 age of Rani, she will be three years older than today. What is Rani's present age?
  • A. 25
  • B. 27
  • C. 26
  • D. 29
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1641 . If 12a + 3b =1 and 7b-2a=9, what is the average of a and b?
  • A. 0.1
  • B. 0.5
  • C. 1
  • D. 2.5
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1642 . If 13 = 13w/(1 - w), then (2w)2 =
  • A. 1/4
  • B. 1/2
  • C. 1
  • D. 2
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1643 . If 13 =13w / ( 1 - w ), then ( 2w )2 =
  • A. 1/4
  • B. 1/2
  • C. 1
  • D. 2
  • E. None of these
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Bangladesh Bank - Assistant Director - 2009
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1644 . If 14 farmers can plough a field in three hours, how long will it take 15 farmers to do the same job?
  • A. 120 minutes
  • B. 168 minutes
  • C. 180 minutes
  • D. 2.8 hours
  • E. None of these
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1645 . If 15% of 40 is greater than 25% of a number by 2, then the number is :
  • A. 12
  • B. 16
  • C. 24
  • D. 32
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1646 . If 15 men working at same rate can make 27 baskets in an hour, how many baskets would 45 workers make in 40 minutes?  
  • A. 27
  • B. 54
  • C. 35
  • D. 40
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1647 . If 15 men working at the same rate can manufacture 27 baskets in an hour, how many baskets would 45 men manufacture in 40 minutes?
  • A. 37
  • B. 54
  • C. 35
  • D. 40
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1648 . If 15 women working at the same rate can produce 25 dolls in an hour, how many dolls would 20 women make in 45 minutes?
  • A. 20
  • B. 25
  • C. 30
  • D. 50
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1649 . If 150 is increased by 60% and then decreased by x percent the result is 192. What is x ?
  • A. 20
  • B. 30
  • C. 32
  • D. 25
  • E. None
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1650 . If 150 is increased by 60% and then decreased by x percent the result is 192 What is X?
  • A. 20
  • B. 30
  • C. 32
  • D. 25
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