Ratio and Proportion Practice Question and Answer

Q:

The total of the ages of Kiran, Shantanu and Saransh is 93 years. Ten years ago, the respective ratio of their ages was 2 : 3 : 4 . What is the present age of Saransh?

1110 0

  • 1
    32 years
    Correct
    Wrong
  • 2
    34 years
    Correct
    Wrong
  • 3
    24 years
    Correct
    Wrong
  • 4
    38 years
    Correct
    Wrong
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Answer : 4. "38 years "

Q:

A sum of Rs. 110 is in the form of Rs. 2, Rs. 1 and 50 paise coins in the ratio of 1 : 2 : 3, respectively. How many 50 paise coins are there?

1109 0

  • 1
    20
    Correct
    Wrong
  • 2
    60
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    80
    Correct
    Wrong
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Answer : 2. "60"

Q:

Cost of a stone varies directly as the square of its weight. A stone broke into four pieces with their weights in the ratio 1 : 2 : 3: 4. If the loss in the total value of the stone  was Rs.7000, the price of the original stone was

1108 0

  • 1
    Rs. 150000
    Correct
    Wrong
  • 2
    Rs.175000
    Correct
    Wrong
  • 3
    Rs.100000
    Correct
    Wrong
  • 4
    Rs.140000
    Correct
    Wrong
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Answer : 3. "Rs.100000"

Q:

The ratio of the incomes of two employees is 7 : 4, and the ratio of their expenditures is 3 : 1. If each of them manages to save ₹4,800 per month, find the sum of their monthly incomes (in ₹). 

1105 0

  • 1
    21120
    Correct
    Wrong
  • 2
    20120
    Correct
    Wrong
  • 3
    21150
    Correct
    Wrong
  • 4
    18150
    Correct
    Wrong
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Answer : 1. "21120"

Q:

Find the forth proportional to $${ x^{2}b^{2}c^{3}}$$, $${ x^{3}bc^{4}}$$ and $${ x^{4}b^{2}c^{2}}$$.

1103 0

  • 1
    $${ x^{5}bc^{3}}$$
    Correct
    Wrong
  • 2
    $${ x^{4}bc^{2}}$$
    Correct
    Wrong
  • 3
    $${ x^{5}b^{3}c^{3}}$$
    Correct
    Wrong
  • 4
    $${ x^{5}b^{2}c^{5}}$$
    Correct
    Wrong
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Answer : 1. "$${ x^{5}bc^{3}}$$"

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Answer : 3. "48%"

Q:

If A:B = $$ {3\over 4}$$ : $$ {5\over 2}$$  and B:C= $$ {1\over2}:{3\over 5}$$ then what is the ratio of A:B:C=?

1094 0

  • 1
    3 : 10 : 15
    Correct
    Wrong
  • 2
    3: 12: 13
    Correct
    Wrong
  • 3
    3 : 10 : 12
    Correct
    Wrong
  • 4
    3: 4: 5
    Correct
    Wrong
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Answer : 3. "3 : 10 : 12"

Q:

The ratio of officers to soldiers in a regiment before the war was 3 : 31. 6 officers and 22 soldiers were killed in the war and the ratio became 1:13. What was the number of officers in the regiment before the war?

1091 0

  • 1
    31
    Correct
    Wrong
  • 2
    38
    Correct
    Wrong
  • 3
    21
    Correct
    Wrong
  • 4
    28
    Correct
    Wrong
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Answer : 3. "21"

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