DASS AND
BROWN WORLD SCHOOL
Class VII Mathematics 06.11.2018
Assignment no-05
1.Find 20% less
than Rs 70. Ans- 56
2. A grocer buys
eggs at 10 for Rs 8 and sells at
8 for Rs 10. Find his gain or loss percent
?
Ans- 56 ¼
3.Neeru bought
1600 bananas at Rs 3.75 a
dozen. She sold 900 of them at 2 for Rs 1
and
the remaining at 5 for Rs 2 . Find gain or
loss
percent Ans- 46%
4.If the cost
price of 6 pencils is equal to the
selling price of 5 pencils, find the gain
percent Ans-
20%
5.A farmer
borrowed Rs 2400 at 12% interest
per annum. At the end of 2 ½ years, he
cleared his account by paying Rs 1200 and a
cow . Find the cost of the cow . Ans- Rs 1920
6.The population
of a town increases by 6%
annually . If the present population is
17490 ,
what was it a year ago ? Ans- 16500
7.Manohar
purchased two handbags for Rs
1500 each . He sold these bags , gaining 8%
on one and losing 4% on the other . Find
his
gain or loss percent in the whole
transaction.
Ans- 2%
8.A man sold
chairs for Rs 500 each . On one he
gains 20% and on the other he loses 12% .
Calculate the gain or loss percent in the
whole transaction . Ans- 1.5%
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