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Percentages

Prakhar 2 days ago
A-45.11
Prakhar 2 days ago
Its easy just find total number of voters

Challenge for the day: Find the compound interest on Rs. 20000 in 2 years at 5 % per annum, the interest being compounded half yearly? Team : Valiant girls College : Sri Krishna College of Technology, Coimbatore.

2 Thanks

Find a single discount equivalent to three successive discounts of 10% 20% 25%

  1. A 44 29%
  2. B 46 29%
  3. C 42 29%
  4. D 48 14%
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7 Attempts 1 Comment
Nishant Jha 5 days ago
Ans is 46%

If 20% of a = b, then b% of 20 is the same as:

  1. A 4% of a 39%
  2. B 5% of a 33%
  3. C 20% of a 14%
  4. D 12.5% of a 14%
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36 Attempts 2 Comments
Saurabh Raheja 25 days ago
20% of a = b  => (20/100)a = b 

 

b% of 20 =(b/100) x 20 = (20a/100) x (1/100) x (20) = 4a/100 = 4% of a.

A batsman scored 110 runs which included 3 boundaries and 8 sixes. What percent of his total score did he make by running between the wickets?

  1. A 45% 13%
  2. B 55% 26%
  3. C 45.45% 43%
  4. D 55.45% 17%
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23 Attempts 2 Comments
S.D.Brite 25 days ago
he scored 60 runs from 3 boundaries and 8 sixes.....
remaining he scored from running = 50
so that,
50/110*100 = 45.45....👍

what if a person has 10% discount cupons and he wants to buy a pair of shoes worth Rs 2500.If he uses all coupons to pay this amount than how many coupons will it take to pay the amount and if there is any remainder what it will be..??

1 Thanks 6 Comments
Rishi Kulshrestha 1 month ago
another ans is 39 coupons and 51 rupees

If the salary of a person is first increased by 15% and then decreased by 12%what is the percent change in his salary?

  1. A 3% increase 31%
  2. B 1% decrease 12%
  3. C 1.2% increase 38%
  4. D 2% decrease 19%
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1 Thanks 26 Attempts 4 Comments
S.D.Brite 1 month ago
solved....
it's a problem on Successive %...

first 15% increase....so +
second 12% decrease....so -
15-12-(15*12/100) = + 1.2....
so....1.2% INCREASE...👍

A fruit seller had some apples. He sells 40% apples and still has 420 apples. Originally, he had:

  1. A 588 11%
  2. B 600 33%
  3. C 672 41%
  4. D 100 15%
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27 Attempts 5 Comments
Ruchi Soni 1 month ago
Yeah 700 is correct
0.4x+420=x

so 0.6x=420
x=700
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