There are six students – S1, S2, S3, S4, S5 and S6, participating in an evaluation test for Physics and Math.

I. S1’s total marks in Physics were just above S3 and in Math just above S6.

II. S2 was just above S3 in Math but scored less than S4 in Physics.

III. S6 got more marks than S4 and S5 in Math, but didn’t perform as well as S4 in Physics

IV. No one scored in between S3 and S4 in Physics and S3 and S1 in Math.

Which of the given statements is not necessary to answer the questions?

Option 1 -

II

Option 2 -

III

Option 3 -

IV

Option 4 -

All are necessary

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

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Vishal Baghel

(c)                                                                                                                                                                 

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the highest average is Rs. 136   

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

V
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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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IITs = 60; IIMS = 40   

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