86. Simplify :

1. 1. 400

   
   
   

   2. 500

   
   
   

   3. 600

   
   
   

   4. 300

   
   
   

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1. View Hint View Answer Discuss in Forum

   The given expression
   
   

   = 5 × 5 ×	24	×	5	= 600
   	5		1

   Correct Option: C

   The given expression
   
   

   = 5 × 5 ×	24	×	5	= 600
   	5		1

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87. Simplify :

1. 1. 2

   
   
   

   2. 2.5

   
   
   

   3. 4

   
   
   

   4. 4.5

   
   
   

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1. View Hint View Answer Discuss in Forum

   The given expression
   
   

   =	36	+ 3 ÷		2 ×	4
   	25				3

   
   

   =	36	+ 3 ÷	8	=	36	+ 3 ×	3
   	25		3		25		8

   
   

   =	288 + 225	=	513	= 2	113	= 2.5
   	200		200		200

   Correct Option: B

   The given expression
   
   

   =	36	+ 3 ÷		2 ×	4
   	25				3

   
   

   =	36	+ 3 ÷	8	=	36	+ 3 ×	3
   	25		3		25		8

   
   

   =	288 + 225	=	513	= 2	113	= 2.5
   	200		200		200

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88. Simplify :

1. 1. 24	1
      	4

   
   
   

   2. 24	3
      	4

   
   
   

   3. 22	1
      	2

   
   
   

   4. 23	1
      	3

   
   
   

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1. View Hint View Answer Discuss in Forum

   

   Correct Option: B

   

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89. Simplify :

1. 1. 1

   
   
   

   2. 0

   
   
   

   3. 2

   
   
   

   4. 3

   
   
   

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1. View Hint View Answer Discuss in Forum

   

   Correct Option: B

   

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90. Simplify :

1. 1. 85

      176

   
   
   

   2. 83

      176

   
   
   

   3. 83

   
   
   

   4. 86

   
   
   

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1. View Hint View Answer Discuss in Forum

   
   

   =	1	×	1	×	850	×	9	=	85
   	8		110		3		6		176

   Correct Option: A

   
   

   =	1	×	1	×	850	×	9	=	85
   	8		110		3		6		176

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