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Quantitative Aptitude

RATIO AND PROPORTION MCQs

Ratio & Proportion, Ratio, Proportion

Total Questions : 895 | Page 14 of 90 pages
Question 131. Ratio of earnings of A and B is 8 : 9 respectively. If the earnings of A increase by 50% and the earnings of B decrease by 25%, the new ratio of their earnings becomes 16 : 9 respectively. What are A's earnings?
  1.    Rs. 22000
  2.    Rs. 28500
  3.    Rs. 37000
  4.    Cannot be determine
  5.    None of these
 Discuss Question
Answer: Option D. -> Cannot be determine
Question 132. A profit of Rs. 960 is divided between A and B in the ratio $$\frac{1}{3}$$ : $$\frac{1}{5}$$. The difference of their profit is = ?
  1.    Rs. 120
  2.    Rs. 160
  3.    Rs. 180
  4.    Rs. 240
 Discuss Question
Answer: Option D. -> Rs. 240
Question 133. Three numbers are in the ratio 5 : 7 : 12. If the sum of the first and the third is greater than the second by 50. The sum of the three numbers is = ?
  1.    125
  2.    120
  3.    95
  4.    85
 Discuss Question
Answer: Option B. -> 120
Question 134. The weights of two persons A and B are in the ratio of 3 : 5. A's weight increases by 20% and the total weight of A and B together becomes 80kg, with an increase of 25%. By what percent did the weight of B increase ?
  1.    20%
  2.    25%
  3.    28%
  4.    30%
 Discuss Question
Answer: Option C. -> 28%
Question 135. Mrs. Richi Rich inherits 3224 gold coins and divides them amongst her 3 daughters Lalita, Palita and Salita in a certain ratio. Out of the total coins each of them received, Lalita sells her 50 coins, Palita donates 85 of her coins and Salita makes jewellery out of her 39 coins. Now the ratio of gold coins with them is 24 : 21 : 16 respectively. How many coins did Lalita receive from her mother ?
  1.    1050
  2.    1135
  3.    1200
  4.    1250
  5.    None of these
 Discuss Question
Answer: Option D. -> 1250
Question 136. Railway fares of 1st, 2nd and 3rd classes between two stations were in the ratio of 8 : 6 : 3. The fares of 1st and 2nd class were subsequently reduced by $$\frac{1}{6}$$ and $$\frac{1}{12}$$ respectively. If during a year the ratio between the passengers of 1st, 2nd and 3rd classes was 9 : 12 : 26 and the total amount collected by the sale of tickets was Rs. 1088, then find the collection from the passengers of 1st class.
  1.    Rs. 260
  2.    Rs. 280
  3.    Rs. 300
  4.    Rs. 320
 Discuss Question
Answer: Option D. -> Rs. 320
Question 137. If 5 person together can make 5 mats in 5 hours, then 10 person in 10 hours will make = ?
  1.    20 mats
  2.    10 mats
  3.    15 mats
  4.    5 mats
 Discuss Question
Answer: Option A. -> 20 mats
Question 138. Rs. 730 were divided among A,B,C in such a way that if A gets Rs. 3 then B gets Rs. 4 and If B gets Rs. 3.5 then C gets Rs. 3. The share of B exceeds that of C by = ?
  1.    Rs. 30
  2.    Rs. 40
  3.    Rs. 70
  4.    Rs. 210
 Discuss Question
Answer: Option B. -> Rs. 40
Question 139. Among 132 examinees of a certain school, the ratio of successful to unsuccessful students is 9 : 2. Had 4 more students passed, then the ratio of successful to unsuccessful students will be = ?
  1.    14 : 3
  2.    14 : 5
  3.    28 : 3
  4.    28 : 5
 Discuss Question
Answer: Option D. -> 28 : 5
Question 140. A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, then the ratio of gold and copper in alloy C will be.
  1.    5 : 7
  2.    5 : 9
  3.    7 : 5
  4.    9 : 5
 Discuss Question
Answer: Option C. -> 7 : 5

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