If a:b = 8:9 and b:c = 9:5, then a:b:c = ? MCQ with Answer and Explanation

Question
If a:b = 8:9 and b:c = 9:5, then a:b:c = ?
A. 8:9:5
B. 16:18:10
C. 8:10:5
D. 7:9:6
Answer: Option A
Solution (By JKExamLibrary)
Combine ratios: a:b = 8:9, b:c = 9:5 ⇒ a:b:c = 8:9:5.
This question belongs to: Maths Ratio and Proportion

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Ratio and Proportion Questions

Question #1
Two numbers are in ratio 11:9. Their difference is 111. What is their sum?
A. 526
B. 240
C. 560
D. 480
Discuss

Correct Answer: Option D

Explanation:
Numbers 11k, 9k. Difference |11-9|k = 111 ⇒ k = 55. Sum = (11+9)k ≈ 480.
This question belongs to: Maths Ratio and Proportion
Question #2
Milk and water are in ratio 7:6 in a 528 L mixture. Quantity of milk?
A. 334 L
B. 568 L
C. 244 L
D. 284 L
Discuss

Correct Answer: Option D

Explanation:
Total parts = 13. Milk = [7 / (7+6)] × 528 = 284 L.
This question belongs to: Maths Ratio and Proportion
Question #3
Ratio of present ages of A and B is 4:8. After 6 years, the ratio becomes 7:11. Present age of A is?
A. 184 years
B. 92 years
C. 87 years
D. 97 years
Discuss

Correct Answer: Option B

Explanation:
Let ages 4k and 8k. Then (4k + 6)/(8k + 6) = 7/11. Solving gives k ≈ 23, age of A = 4*23 = 92.
This question belongs to: Maths Ratio and Proportion
Explore All Ratio and Proportion MCQs

Fatal error: Uncaught PDOException: SQLSTATE[42S02]: Base table or view not found: 1146 Table 'u220813639_questions.youtube_shorts' doesn't exist in /home/u220813639/domains/ask.jkexamlibrary.in/public_html/templates/partials/sidebar.php:55 Stack trace: #0 /home/u220813639/domains/ask.jkexamlibrary.in/public_html/templates/partials/sidebar.php(55): PDO->query() #1 /home/u220813639/domains/ask.jkexamlibrary.in/public_html/templates/question.php(278): require('/home/u22081363...') #2 /home/u220813639/domains/ask.jkexamlibrary.in/public_html/index.php(53): require_once('/home/u22081363...') #3 {main} thrown in /home/u220813639/domains/ask.jkexamlibrary.in/public_html/templates/partials/sidebar.php on line 55