Aptitude - Ratio and Proportion - Discussion
Discussion Forum : Ratio and Proportion - General Questions (Q.No. 14)
14.
Two number are in the ratio 3 : 5. If 9 is subtracted from each, the new numbers are in the ratio 12 : 23. The smaller number is:
Answer: Option
Explanation:
Let the numbers be 3x and 5x.
| Then, | 3x - 9 | = | 12 |
| 5x - 9 | 23 |
23(3x - 9) = 12(5x - 9)
9x = 99
x = 11.
The smaller number = (3 x 11) = 33.
Discussion:
28 comments Page 3 of 3.
Sathish said:
1 decade ago
3x-9/5x-9=? How please explain?
Omprakash said:
1 decade ago
Why divide the 3x-9/5x-9 ?
Sushant said:
6 years ago
@Bhavik you are wrong.
(1)
Sundus said:
1 decade ago
Why multiply 3*11 ?
KOALA said:
9 years ago
Well said @Bharath.
Sri said:
1 decade ago
Shouldn't it be 55?
Ramzan said:
3 years ago
How we got 9x=99?
(8)
Kiran said:
1 decade ago
How come 9x ?
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