1. Choose the correct option. (MCQ's)
(1) As income is 10% less than B's income. How much percentage is B's income more
DATE: 2012121
than A's income?
%
(d) 11%
(a) 10%
(b)
(C) 12%
(11) If 45% of the population of a town are men and 30% are women, then the percentage
of children is
(a) 10%
(b) 25%
(iii) The difference between increasing
a number by 8% and decreasing it by 7% is 75.
The number is
(a) 100
(b) 400
(c) 50%
(d) 35%
2. If
5% of a number is 40, then find the number.
(c) 900
2.
(d) 500
3. The difference between increasing a number by 5% and decreasing it by 5% is 20. What
is the number?
4. A number is increased by 20% and then it is decreased by 10%. Find the net increase or
decrease per cent.
5. Vyas gets 20% less marks than that of Nidhi's marks. By what per cent Nidhi's marks is
more than Vyas's marks?
6. An alloy consists of 30% zinc, 45% nickel and the rest copper. Find the weight of copper
in 800 g of the alloy.
7. Find the weight of pure gold in 10 grams of 20 carat. It is given that 24 carat gold is
cent-percent pure gold.
8. A number is first increased by 10% and then it is decreased by 10%. Find the net increase
or decrease per cent.
Answers
Answered by
1
cvjdkdjnudnk abjhvhgsbjkdwvojf
Similar questions