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Posted by **avinash** on Saturday, August 27, 2011 at 2:07am.

a.800

c.960

c.1000

d.1080

e.none

- maths -
**avinash**, Saturday, August 27, 2011 at 7:17amplz answer this

- maths -
**drwls**, Saturday, August 27, 2011 at 7:30amS = sale price.

C = cost.

(S - C)/C = 0.25

(rewrite as S = 1.25 C;

(S + 10 -0.9C)/(0.9C) = 0.40

Solve for C

0.35C + 10 = 0.36 C

0.01C = 10

C = 1000 Rupees

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