346 . What is the greatest number that divides 84, 144 or 18 without any remainder?
  • A. 24
  • B. 6
  • C. 18
  • D. 12
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347 . what is the greater of two numbers whose product is 900 , if sum of these two numbers exceeds their difference by 30?
  • A. 15
  • B. 60
  • C. 75
  • D. 90
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348 . What is the greater of two number whose product is 90, if sum of these two numbers exceeds their difference by 30 ?
  • A. 15
  • B. 60
  • C. 75
  • D. 90
  • E. None of these
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349 . What is the fourth proportional of 3,9 and 4?
  • A. 12
  • B. 16
  • C. 8
  • D. 6
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350 . What is the distance of the origin from the line 12x-5y+26=0 ?
  • A. 2
  • B. 3
  • C. 8
  • D. 11
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351 . What is the difference of largest and smallest prime number between 60 and 80 ?
  • A. 8
  • B. 12
  • C. 18
  • D. 140
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352 . What is the difference between the amount of interest eamed on a principal of Tk. 100 for 2 years at 10% simple interest rate and 10% compounding interest rate?
  • A. Tk. 121
  • B. Tk. 120
  • C. Tk. 2
  • D. Tk. 1
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353 . What is the cost, in taka, of a carpet x yards long and y yards wide, if the cost of carpet is Tk. 5 per square ft.?
  • A. xy
  • B. 9xy
  • C. 25xy
  • D. 45xy
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354 . What is the average of the series 1, 5, 9....., 81?
  • A. 39
  • B. 40
  • C. 41
  • D. 42
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355 . What is the average of odd numbers from 1 to 40?
  • A. 20
  • B. 21
  • C. 31
  • D. 41
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356 . What is the average of 0.36, 4.6, 0.64 and 2.4?
  • A. 1
  • B. 2
  • C. 2.5
  • D. 10
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357 . What is the average (arithmetic mean) of the values 39,40,39,45,42,35,47
  • A. 39
  • B. 41
  • C. 45
  • D. 47
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358 . What is the average (arithmetic mean) of all multiples of 10 from 10 to 400 inclusive?
  • A. 190
  • B. 195
  • C. 200
  • D. 205
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359 . What is the average (arithmatic mean) of
  • A. 180
  • B. 185
  • C. 200
  • D. 205
  • E. 210
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360 . What is the arithmetic mean of the first 100 natural numbers?
  • A. 50
  • B. 50.5
  • C. 51
  • D. 51.5
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