Question

Three Students secured the first second and third positions Indian mathematics quiz the average score of first two students is 30 the average score of all Three Students is 28 what is the score of the student who secured third position​

Answer 1

The score of the student who secured third position​.

Step-by-step explanation:

Given:

Three Students secured the first second and third positions Indian mathematics quiz the average score of first two students is 30 the average score of all Three Students is 28  

To find:

what is the score of the student who secured third position

Solution : Let the students be represented as x, y , and z

Given:

$\frac{(x + y)}{2} = 30$

x +y = 60

$\frac{(x + y + z)}{3}$ = 28

X + y + z = 84

60 + z = 84

z = 24

The score of the student who secured third position​.

To Know more:

A room is 12.5 m long and 8 m wide. a square carpet of side 8 m laid on it's floor.find the area of the floor which is not carpated.

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