What is the sum of the marks scored by all the six students in S2?

 

S1

S2

S3

S4

S5

Total

A1

97

99

98

 

99

491

A2

92

95

 

94

 

 

A3

86

89

 

90

93

443

A4

78

 

76

 

85

405

A5

 

69

64

75

 

349

A6

49

53

48

60

55

 

Total

468

 

463

502

505

 

Option 1 -

576

Option 2 -

486

Option 3 -

586

Option 4 -

476

0 1 View | Posted 3 months ago
Asked by Shiksha User

  • 1 Answer

  • V

    Answered by

    Vishal Baghel | Contributor-Level 10

    3 months ago
    Correct Option - 2


    Detailed Solution:

     

    S1

    S2

    S3

    S4

    S5

    Total

    A1

    97

    99

    98

    98

    99

    491

    A2

    92

    95

    92

    94

    98

     

    A3

    86

    89

    85

    90

    93

    443

    A4

    78

    81

    76

    85

    85

    405

    A5

    66

    69

    64

    75

    75

    349

    A6

    49

    53

    48

    60

    55

     

    Total

    468

    486

    463

    502

    505

     

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Vishal Baghel

(c)                                                                                                                                                                 

V
Vishal Baghel

the highest average is Rs. 136   

V
Vishal Baghel

Using the data from above question, the lowest average is Rs. 100.

V
Vishal Baghel

We get the following table of earnings:

Persons

Win Total

Average

P

36 * 150 + 14 * 100 = 6800

136

Q

34 * 150 + 21 * 100 = 7200

131

R

23 * 150 + 36 * 100 = 6850

116

S

30 * 150 + 30 * 100 = 6000

100

Now we can see that the largest difference

= Maximum – Minimum = Rs. 7500 – Rs. 6800

= Rs. 700

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Vishal Baghel

IITs = 60; IIMS = 40   

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