81. What approximate value should come in place of the question mark (?) in the following equation?
857 of 14% − 5.6 × 12.128 = ? (BANK)
  A.  50
  B.  42
  C.  52
  D.  62
     
   
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82. What approximate vlaue should come in place of the question mark (X) in the following euqation?
1500 of 45% + 1700 of 35% = 3175 of X% (Bank)
  A.  36
  B.  30
  C.  42
  D.  40
     
   
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83. What should come in place of question mark (?) in the following equation?
5
3 / 5
÷ 3
11 / 15
+ 5
1 / 2
= ? (PO)
  A.  7
  B.  5
  C.  9
  D.  2
     
   
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84. What approximate value should come in place of the question mark (?) in the following question?
1325√17 + 508.24 of 20% − 85.39 of
3 / 4
= ? PO)
  A.  5400
  B.  5500
  C.  4500
  D.  5550
     
   
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85. What should come in place of the question mark(?) in the following equation?
(10008.99)2 / 10009.001
× √3589 × 0.4987 = ?(PO)
  A.  320000
  B.  200000
  C.  305000
  D.  300000
     
   
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86. What should come in place of question mark (?)
(299.99999)3 = ? (PO)
  A.  27000000
  B.  28000000
  C.  27002000
  D.  27500000
     
   
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87. If x = 9, then what will be the value of following expression?
20x3 + 12x + 3 + 5x2 / 10x3 + 3 + 5x2 + 6x
(PO)
  A.  2
17 / 19
  B.  3
18 / 19
  C.  1
18 / 19
  D.  2
20 / 19
     
   
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88. What value should come in place of the question mark (?) in the following equation?
33
1 / 3
% of 768.9 + 25% of 161.2 − 68.12 = ? (PO)
  A.  250
  B.  230
  C.  210
  D.  260
     
   
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89. What should come in place of the question mark in the following question?
(7 × ?)2 / 49
= √81
  A.  5
  B.  1
  C.  8
  D.  3
     
   
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90. What should come in place of the question mark (?) in the following equation?
477.5 ÷ 473/2 × 47−3 = (√47)? (BOB)
  A.  5
  B.  7
  C.  6
  D.  9
     
   
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