Sample QuestionsRatio, 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.
If $4, a, a, 36$ are in proportion, then $a =$
Answer: B.
View full solution →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
Answer: A.
View full solution →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:
Answer: C.
View full solution →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:
Answer: C.
View full solution →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.
View full solution →Which of the following statements are true?
$12 : 18 = 28 : 12$
View full solution →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 $1 : 9.$
View full solution →Fill in the blanks: If $1, 2, 3$, and $x$ are in proportion, then $x =$ ..........
View full solution →Which of the following statements are true? $40 : 200 = 1 : 5$
View full solution →Fill in the blanks: Ratio of $Rs. 2$ and $50$ paise and $Rs. 3$ and $75$ paise is .......
View full solution →Express the following ratios in its simplest form: $186 : 403$
View full solution →Find the ratio of: $25$ paise to $Rs. 60.$
View full solution →Express the following ratios in its simplest form: $85 : 391$
View full solution →$2$ dozens of oranges cost $Rs. 60.$ Find the cost of $120$ similar oranges$?$
View full solution →If $4, x, 9$ are in continued proportion, find the value $x.$
View full solution →Find the other three proportions involving terms the following:
$12 : 18 = 14 : 21$
View full solution →Of the $72$ persons working in an office, $28$ are men and the remaining are women. Find the ratio of the number of:
$i.\ $Men to that of women.
$ii.\ $Men to the total number persons.
$iii.\ $Persons to that of women.
View full solution →A bullock-cart travels $24\ km$ in $3$ hours and a train travels $120\ km$ in $2$ hours. Find the ratio of their speeds.
View full solution →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.
View full solution →If in a proportion, the first, second and fourth terms are $32, 112$ and $217$ respectively, find the third term.
View full solution →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:
$i.\ $Avinash's income to their total income.
$ii.\ $Avinash's income to their total income.
View full solution →Margarette works in a factory and earns $Rs. 955$ per month. She saves $Rs. 185$ per month from her earnings. Find the ratio of:
$i.\ $Her savings to her income.
$ii.\ $Her income to her expenditure.
$iii.\ $Her savings to her expenditure.
View full solution →If $9\ kg$ of rice costs $Rs. 120.60,$ what will $50\ kg$ of such a quality of rice cost$?$
View full solution →