Page 9 - Digi Notes : Maths - 11.03.2016
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7. A man spends 75% of his income. His income increases by
20% and his expenditure also increases by 10%. Find the

percentage increase in his saving?



Saving:Ex penditure   -7510 %:75 % 1 :3

1 : 3
Saving Expenditur e

x% 10 %

20 %
 10 % : 20  x %

We have

 10 1

20  x 3

 20  x   30

 x  50 %
 Percentage Increase in Saving  50 %



8. A man buys two horses for Rs.1350 and sells one so as to


lose 6% and the other so as to gain 7.5% and on the
whole he neither gains nor loses. Find the difference of

the cost price of the horses?
























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