100+ Ratio and Proportion Questions and Answers Pdf - 2

Question: 6

The ratio of milk to water in three containers of equal capacity is 3 : 2, 7 : 3 and 11 : 4 respectively. The contents of the three containers are mixed together. What is the ratio of milk to water after mixing?

(A) 7 : 3

(B) 19 : 4

(D) 61 : 29

View Answer

Ans: D

Milk in the mixture = $$({3} / {5} + {7} / {10} + {11}/{15})$$ units = $${61}/{30}$$ units.

Water in the mixture = $$({2} / {5} + {3} / {10} + {4}/{15})$$ units = $${29}/{30}$$ units.

∴ Required ratio = $${61} / {30} : {29} / {30}$$ = 61 : 29.

Question: 7

Express 50 paise Rs. 4 in its simplest form.

(A) 1 : 4

(B) 1 : 8

(D) 5 : 4

View Answer

Ans: B

Rs. 1 = 100 paisa

Rs. 4 = 400 paisa

Required ratio = 50 paisa : 400 paisa = 1 : 8.

Question: 8

The total number of students in a school is 2140. If the number of girls in the school is 1200, then what is the ratio of the total number of boys to the total number of girls in the school?

(A) 18 : 13

(B) 26 : 25

(D) 47 : 60

View Answer

Ans: D

Number of girls = 1200.

Number of boys = 2140 – 1200 = 940.

∴ Required ratio = 940 – 1200 = 47 : 60.

Question: 9

Seema and Meena divide a sum of Rs. 25000 in the ratio of 3 : 2 respectively. If Rs. 5000 is added to each of their shares, what would be the new ratio formed?

(A) 2 : 3

(B) 3 : 3

(D) 5 : 3

View Answer

Ans: C

Seema’s share = Rs. $$(25000 × {3}/{5})$$ = Rs. 15000.

Meena’s share = Rs. $$(25000 × {2}/{5})$$ = Rs. 10000.

∴ Required ratio

= (15000 + 5000) : (10000 + 5000) = 20000 : 15000 = 4 : 3.

Question: 10

The ratio of boys and girls in a club is 3 : 2. Which of the following could be the actual number of members?

(A) 16

(B) 18

(D) 25

View Answer

Ans: D

The total number of members must be a multiple of the sum of the ratio terms. 3 + 2 = 5 and 25 is a multiple of 5.

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100+ Ratio and Proportion Questions and Answers Pdf - 2

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