Aptitude - Ratio and Proportion - Discussion
Discussion Forum : Ratio and Proportion - General Questions (Q.No. 9)
9.
The sum of three numbers is 98. If the ratio of the first to second is 2 :3 and that of the second to the third is 5 : 8, then the second number is:
Answer: Option
Explanation:
Let the three parts be A, B, C. Then,
| A : B = 2 : 3 and B : C = 5 : 8 = |  |
5 x | 3 |  |
: | |
8 x | 3 | |
= 3 : | 24 |
| 5 | 5 | 5 |
 A : B : C = 2 : 3 : |
24 | = 10 : 15 : 24 |
| 5 |
| B = |
|
98 x | 15 | |
= 30. |
| 49 |
Discussion:
122 comments Page 11 of 13.
Tarun dwivedi said:
9 years ago
Nice trick, Thank you @Alisha.
Akash said:
7 years ago
Great and easy Thanks @Alisha.
Jarmy said:
5 years ago
How come 49?
B = 98 * 15/49.
B = 98 * 15/49.
Daksh said:
1 decade ago
Explain how B=(98*15/49) ?
Jeff said:
7 years ago
Thanks all for explaining.
Rezvi said:
5 years ago
Well said, Thanks @Kalpa.
(1)
Mona said:
2 decades ago
Explain how 8*3/5 came ?
Waqar Ahmad said:
9 years ago
Well explained @Alisha.
Guru said:
10 years ago
Why should take 8?
Niroj kumar sahooo said:
9 years ago
Thank you @Alisha.
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