Page 13 - Digi Notes : Maths - 11.03.2016
P. 13
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2 : 3
Rs . 2000 Rs. 3000
Watch 1 Watch 2
20 % 30 %
x %
30 x % : x 20 %
30 x % 2
x 20 % 3
x 26 %
15. A man bought two watches each for Rs.1620. He
sold one so as to gain 20% while the other so as to gain
30%. Find his overall profit percentage.
1 : 1
Rs . 1600 Rs. 1600
Watch 1 Watch 2
20 % 30 %
x %
30 x % : x 20 %
30 x % 1
x 20 % 1
x 25 %
16. A man sold two watches each for Rs.1620. He sold
one so as to gain 20% while the other so as to gain 30%.
Find his overall profit percentage.
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2 : 3
Rs . 2000 Rs. 3000
Watch 1 Watch 2
20 % 30 %
x %
30 x % : x 20 %
30 x % 2
x 20 % 3
x 26 %
15. A man bought two watches each for Rs.1620. He
sold one so as to gain 20% while the other so as to gain
30%. Find his overall profit percentage.
1 : 1
Rs . 1600 Rs. 1600
Watch 1 Watch 2
20 % 30 %
x %
30 x % : x 20 %
30 x % 1
x 20 % 1
x 25 %
16. A man sold two watches each for Rs.1620. He sold
one so as to gain 20% while the other so as to gain 30%.
Find his overall profit percentage.
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