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 10 of 13.
Ankur saxena said:
1 decade ago
a/b=2/3,b/c=5/8
a+b+c=98
2b/3+b+8b/5=98
b=30
a+b+c=98
2b/3+b+8b/5=98
b=30
Arenotravis said:
9 years ago
@Nena.
A : B : C : D = 16 : 24 : 30 : 35.
A : B : C : D = 16 : 24 : 30 : 35.
Ashok Sarkar said:
1 decade ago
Thanks kalpa it's very easy to understand
Bhuvana said:
10 years ago
@Sid.
How can you say total 150 members?
How can you say total 150 members?
Kk kumar said:
3 years ago
I can't undersand, can anyone explain me?
(3)
Pardhu said:
7 years ago
Thanks for the explanation @Shipra.
Akila said:
1 decade ago
Thanks kalpa! I understood easily.
Ayeshu said:
8 years ago
Nice explanation @Ayush.
Thanks.
Thanks.
Vinod said:
8 years ago
Great explanation, Thanks @Kalpa.
Shafiya anjum. said:
4 years ago
Well explained, thanks @Alisha.
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