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Some questions of Percentage

Feb

23

2013

Some questions of Percentage

1.The number of students who opted for IT course decreased by 23% . If the number is 1540 now , them the original number of the students opting for it is what ?
Solution
1540 = 100-23=77 %
1540/77 into 100 =2000
So the answer is 2000

2.In an election , one of the two candidates got 40% of the total votes cast and lost by 100 votes . The total number of votes cast in the election is what

Solution – One candidate gets 40 % Winner gets 60 %
Difference in % = 20% , Difference in Votes = 100 so 100= 20% so 100/20 into 100 = 500
Answer is 500

Questions for practice
1 ) In an examination A got marks 10% less than B , B got marks 25 % more than C , C got marks 20% less than D .If A get 360 marks out of 500 then D will get how many marks
A . 70% B 75% c ) 80 % d ) 85 %

2)45% of a number is less than 19.8% from this number . What is the number
a) 16 b ) 13 c) 36 d ) 20

3)The marks of sonu in chemistry are 60% of the marks in Mathematics and Marks in Mathematics are 60% of the marks in Physics . How many marks he got in Chemistry if marks in these three subjects are 147 in all .
A ) 27 B ) 45 c ) 35 d 30

4 ) A reduction of 20% in the price of rice enables ravi to buy 3.5 kb more rice in 77 . The original price of rice per Kg was what ?
A ) 4 b 4.4 c ) 5 d ) 5.50

5 ) In a library 40 % books are of English . 80 % of the rest of the books are of Hindi and remaining 300 books are of other subjects . Find the total number of books in library
a) 2000 b) 1500 c) 2500 d) 3500

 

 

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In: Maths Asked By: [155 Blue Star Level]
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