Question types

Ratio, Proportion and Unitary Method question types

123 questions across 5 question groups — pick any mix to generate a Maths paper with step-by-step answer keys.

123
Questions
5
Question groups
5
Question types
Sample Questions

Ratio, Proportion and Unitary Method questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 2MCQ1 Mark
If the cost of $25$ packets of $12$ pencils each is $Rs. 750,$ then the cost of $30$ packets of $8$ pencils each is:
  • $Rs. 600$
  • B
    $Rs. 720$
  • C
    $Rs. 640$
  • D
    None of these.

Answer: A.

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Q 3MCQ1 Mark
Mark the correct alternative in the following: If $343$ is the third proportional of $a$ and $b,$ where $a : b = 1 : 7, $ then value of $a + b$ is:
  • A
    $14$
  • B
    $24$
  • $56$
  • D
    $63$

Answer: C.

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Q 4MCQ1 Mark
Mark the correct alternative in the following: The first three terms of a proportion are $12, 21$ and $8$ respectively. Then $4^{th}$ term is:
  • A
    $18$
  • B
    $16$
  • $14$
  • D
    $20$

Answer: C.

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Q 5MCQ1 Mark
If $a, b, c$ are in proportion, then
  • $a : b : : b : c$
     
  • B
    $a : b : : c : a$
     
  • C
    $a : b : : c : b$
     
  • D
    $a : c : : b : c$

Answer: A.

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Express the following ratios in language of daily life:
The ratio of the number of bad pencils to that good pencils produced in a factory is 1 : 9.
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Q 173 Mark Question3 Marks
Of the 72 persons working in an office, 28 are men and the remaining are women. Find the ratio of the number of:
  1. Men to that of women.
  2. Men to the total number persons.
  3. Persons to that of women.
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Q 193 Mark Question3 Marks
The ratio of the sale of eggs on a Sunday to that of the whole week of a grocery shop was 2 : 9. If the total sale of eggs in the same week was Rs. 360, find the sale of eggs on Sunday.
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Q 215 Mark Question5 Marks
Avinash works as a lecturer and earns Rs. 12000 per month. His wife who is a doctor earns Rs. 15000 per month. Find the following ratios:
  1. Avinash's income to their total income.
  2. Avinash's income to their total income.
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Q 225 Mark Question5 Marks
Margarette works in a factory and earns Rs. 955 per month. She saves Rs. 185 per month from her earnings. Find the ratio of:
  1. Her savings to her income.
  2. Her income to her expenditure.
  3. Her savings to her expenditure.
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