Percentage Practice Question and Answer

Q:

In an exam, 3 marks are scored on the correct solution, but 2 marks are deducted on the wrong solution. If a student scores 75 questions and gets 75 marks, the correct answer is the number of questions.

670 0

  • 1
    50
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    30
    Correct
    Wrong
  • 4
    25
    Correct
    Wrong
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Answer : 2. "35"

Q: Every year before the festive season,a shopkeeper increases the price of the product by 35% and then introduce two successive discount of 10% and 15% respectively.what is percentage loss and percentage gain ? 5239 0

  • 1
    3.27 % loss
    Correct
    Wrong
  • 2
    4.15 % loss
    Correct
    Wrong
  • 3
    3.27 % gain
    Correct
    Wrong
  • 4
    4.15 % gain
    Correct
    Wrong
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Answer : 3. "3.27 % gain"
Explanation :

Answer: C) 3.27 % gain Explanation: Let cp= 100,35 % increase in sp=13510 % discount in 135((135*10)/100)=13.5so 1st sp=(135-13.5)=121.5, again 15 % discount in 1st sp((121.5*15)/100)=18.2252nd sp=(121.5-18.225)=103.275, so finally cp=100,sp=103.275 ,gain by 3.27%

Q:

Ram sells two articles, each for the same price Rs.720. He incurs 20% loss on the first and 10% loss on the second. Find his overall percent loss.

714 0

  • 1
    24.4%
    Correct
    Wrong
  • 2
    21%
    Correct
    Wrong
  • 3
    15.29%
    Correct
    Wrong
  • 4
    23.16%
    Correct
    Wrong
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Answer : 3. "15.29%"

Q:

The value of a machine depreciates at the rate of 10% per annum. It was purchased 3 years ago. If its present value is Rs.53071.20, the purchase price of the machine was:

683 0

  • 1
    Rs.72800
    Correct
    Wrong
  • 2
    Rs.69680
    Correct
    Wrong
  • 3
    Rs.84560
    Correct
    Wrong
  • 4
    Rs.78400
    Correct
    Wrong
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Answer : 1. "Rs.72800"

Q:

If the length of a rectangle is increased by 10% and the area is unchanged, then how much percent does the breadth decrease?

675 0

  • 1
    $$ {100\over 11}{\%}$$
    Correct
    Wrong
  • 2
    $$ {100\over 9}{\%}$$
    Correct
    Wrong
  • 3
    9%
    Correct
    Wrong
  • 4
    10%
    Correct
    Wrong
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Answer : 1. "$$ {100\over 11}{\%}$$"

Q:

Population of a city is 7000. In next year the population is increased by 8%, then find the new population?

995 0

  • 1
    7650
    Correct
    Wrong
  • 2
    8250
    Correct
    Wrong
  • 3
    7560
    Correct
    Wrong
  • 4
    7750
    Correct
    Wrong
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Answer : 3. "7560"

Q:

The ratio of coins of 50 paisa, 25 paisa, and 10 paisa is 4:3:2. Find the total amount if the number of coins is 90.

746 0

  • 1
    27.50
    Correct
    Wrong
  • 2
    62.50
    Correct
    Wrong
  • 3
    31.50
    Correct
    Wrong
  • 4
    29.50
    Correct
    Wrong
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Answer : 4. "29.50"

Q:

What is the difference between 0.6 and 0.6%?

763 0

  • 1
    5.94
    Correct
    Wrong
  • 2
    0.594
    Correct
    Wrong
  • 3
    60
    Correct
    Wrong
  • 4
    54
    Correct
    Wrong
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Answer : 2. "0.594"

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