- 1. Find the fourth proportional to 2.4, 4.6 and 7.6?
A.14
B.14.657
C.15.56
D.14.56
Answer & Explanation
Answer: Option D 
Formula = Fourth propotional = (b × c)/a
A = 2.4 , B = 4.6 and C = 7.6
(4.6 × 7.6)/2.4 = 14.56
View Answer
- 2. Find the third proportional to 63 and 29.9?
A.14.09
B.14.29
C.14.19
D.14.16
Answer & Explanation
Answer: Option C
Formula = Third proportional = (b × b)/a
A = 63 and B = 29.9
(29.9 × 29.9)/ 63 = 894.01/63 = 14.19
View Answer
- 3. Find the mean proportional between 7921 & 9409?
A.8163
B.8633
C.8663
D.8636
Answer & Explanation
Answer: Option B
Formula = √a×b
A = 7921 and B = 9409
√7921×9409 = 89 × 97 = 8633
View Answer
- 4. Find the fourth proportional to 0.5, 1.12 and 1.3?
A.2.914
B.2.81
C.2.192
D.2.912
Answer & Explanation
Answer: Option D
Formula = Fourth proportional = (b × c)/a
A = 0.5 , B = 1.12 and C = 1.3
(1.12 × 1.3)/0.5
1.456/0.5 = 2.912
View Answer
- 5. If a:b = 4:8 and b:c = 3:2 find a:b:c?
A.3:8:4
B.3:4:8
C.3 : 6 : 4
D.4:6:3
Answer & Explanation
Answer: Option C
a:b = 4:8, b:c = 3:2
4:8
3:2
(a = 4 × 3 = 12, b = 8 × 3 = 24 and c = 8 × 2 = 16)
(a = a × b, b = b × b and c = b × c)
a:b:c = 12 : 24 : 16
a : b : c = 3 : 6 : 4
View Answer
To whom this Ration and Proportion Questions and Answers section is beneficial?
Students can learn and improve on their skillset for using Verbal Ability effectively and can also prepare for competitive examinations like...
- All I.B.P.S and Public Sector Bank Competitive Exam
- Common Aptitude Test (CAT) Exams
- UPSC Paper-II or CSAT Exams
- SSC Competitive Exams
- Defence Competitive Exams
- L.I.C / G.I.C AO and Clerk Competitive Exams
- Railway Competitive Exam
- University Grants Commission (UGC)
- Career Aptitude Test (IT Companies) and etc.
