Question

try this to clear my last doubt ​

Answer 1

Answer:

Let the number of students be x

Contribution of each member = 2000/x

Since 5 of them failed to attend, number of students = x-5

Contribution of each member = 2000/x-5

According to the question,

2000/x-5 = 2000/x + 20

On solving we get,

20 x^2 - 100x - 10000 = 0

x² – 500 – 5x = 0

x² – 25x + 20x – 500 = 0

x (x – 25) + 20 (x – 25) = 0

(x + 20) (x – 25) = 0

x = –20, 25

Since, number of students is not negative, x = 25

Total number of students = 25

Number of students who attended the picnic = 25 – 5 = 20

Thus, cost for one student = Rs 2000 ÷ 20 = Rs 100

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Answer 2

Answer:

yeh lo answer vishant sayad galat ho toh bol dena