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1) Students of a school contributed towards National Defence Fund as follows:
Students
10
15
24
30<

By Sarah

1) Students of a school contributed towards National Defence Fund as follows:
Students
10
15
24
30
21
Contribution per Student (in rs)
5
4
3
2
1
Find out the Mean Contribution.
[Ans. X = rs 2.63.]​

About the author
Sarah

(i) If x=5/8
and y = -5/4
Then,
options:
(a) (x + y) > 0
(b) (x + y) < 0
(c) (x + y) = 0

if
[tex] \alpha[/tex]
,
[tex] \beta [/tex]
are zeroes of the polynomial p(x)=5x²+5x+1 then find the value of<

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