Question

Per
8. 12% of a sum of money is 42. What is 20% of the same sum?
62% of a weight is 0.25 kg. What is 45% of this weight?
9.
Incred
the class on that day?
Inco
Example 1.
solution :
spends. How much does he spend each month?
12. An ore contains 15% iron. How much ore will be required to get 18 kg of iron?
Example 2.
Solution :
What commission does he charge for selling a plot of land for 130000?
Example 3.
Solution :
and 200 respectively. Find his aggregate percentage.
quante
candidates applied for the examination?
17. Gun-powder contains 75% nitre, 10% sulphur and the rest of it is charcoal. Find the
charcoal in 8 kg of gun-powder.
(Hint. Percentage of charcoal = [100 - (75 + 10)% = 15%.]
alloy.
S
10. In a class of 60 pupils, 15% remained absent on a rainy day. How many pupils were
11. The monthly income of Mr. Amit Goel is 30400. He saves 12.5% of his income a
13. A property dealer charges a commission of 2% on the first 25000 and 1.5% on the
14. In an examination, the maximum marks are 850. Rohit gets 34% marks and fails by 11
Find (i) the passing marks and (ii) the minimum percentage for passing the examination
15. A student secures 90%, 60% and 54% marks in three test papers with maximum marks 10
16. In an examination, 5% of the applicants were found ineligible and 85% of the eligible cand
belonged to the general category. If 4275 candidates belonged to other categories, then bor
18. An alloy consists of 13 parts of copper, 7 parts of zine and 5 parts of nickel. Find the pero​

Answer 1

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