Ratio and Proportion Practice Question and Answer

Q: If A:B:C=2:3:4, then the ratio$$({a\over b}):({b\over c}):({c\over a})$$will be 2774 1

  • 1
    8:9:16
    Correct
    Wrong
  • 2
    8:9:12
    Correct
    Wrong
  • 3
    8:9:24
    Correct
    Wrong
  • 4
    4:9:16
    Correct
    Wrong
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Answer : 3. "8:9:24 "

Q:

In a factory, the salary of each worker is increased in the ratio 22 : 25 but the number of workers is decreased by $$ 26{2\over3}\% $$. The net effect on the salary is: 

2587 0

  • 1
    $$ +11{1\over9}\% $$
    Correct
    Wrong
  • 2
    + 20%
    Correct
    Wrong
  • 3
    $$ -16{2\over3}\% $$
    Correct
    Wrong
  • 4
    -10%
    Correct
    Wrong
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Answer : 3. "$$ -16{2\over3}\% $$"

Q: The total number of students in a school is 1224. If the number of girls in the school is 600, what is the respective ratio of the total number of boys to the total number of girls in the school? 2642 1

  • 1
    26:25
    Correct
    Wrong
  • 2
    21:17
    Correct
    Wrong
  • 3
    18:13
    Correct
    Wrong
  • 4
    5:4
    Correct
    Wrong
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Answer : 1. "26:25"

Q: 30% of first number is 75% of the second number. What is the respective ratio of the first number to the second number? 6373 1

  • 1
    5:2
    Correct
    Wrong
  • 2
    5:3
    Correct
    Wrong
  • 3
    25:14
    Correct
    Wrong
  • 4
    15:16
    Correct
    Wrong
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Answer : 1. "5:2"

Q: 40% of the number is equal to three-fourth of another number. What is the ratio between first number and second number? 2097 0

  • 1
    15:16
    Correct
    Wrong
  • 2
    15:8
    Correct
    Wrong
  • 3
    9:15
    Correct
    Wrong
  • 4
    8:17
    Correct
    Wrong
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Answer : 2. "15:8"

Q: Rs. 180 is stored in a box in the form of 1 Rupee coins, 50 paisa coins and 25 paisa coins. Their ratio is 2:3:4. Find the no. of 50 paisa coins. 2561 2

  • 1
    60
    Correct
    Wrong
  • 2
    120
    Correct
    Wrong
  • 3
    150
    Correct
    Wrong
  • 4
    180
    Correct
    Wrong
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Answer : 2. "120"

Q:

The ratio between the third proportional of 12 and 30 and mean proportional of 9 and 25 is

949 0

  • 1
    2 : 1
    Correct
    Wrong
  • 2
    5 : 1
    Correct
    Wrong
  • 3
    7 : 15
    Correct
    Wrong
  • 4
    9 : 14
    Correct
    Wrong
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Answer : 2. "5 : 1"

Q:

Divide Rs.198 in the ratio 2:3:5:8 The rupees in the respective ratios are given by: 

1410 0

  • 1
    22, 33, 54 & 89
    Correct
    Wrong
  • 2
    22,33, 56 & 87
    Correct
    Wrong
  • 3
    22, 33, 55 & 88
    Correct
    Wrong
  • 4
    22, 34, 54 & 88
    Correct
    Wrong
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Answer : 3. "22, 33, 55 & 88 "

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