Aptitude - Ratio and Proportion - Discussion
Discussion Forum : Ratio and Proportion - General Questions (Q.No. 7)
7.
Salaries of Ravi and Sumit are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Sumit's salary?
Answer: Option
Explanation:
Let the original salaries of Ravi and Sumit be Rs. 2x and Rs. 3x respectively.
| Then, | 2x + 4000 | = | 40 |
| 3x + 4000 | 57 |
57(2x + 4000) = 40(3x + 4000)
6x = 68,000
3x = 34,000
Sumit's present salary = (3x + 4000) = Rs.(34000 + 4000) = Rs. 38,000.
Discussion:
82 comments Page 9 of 9.
Shikha said:
1 decade ago
Can anyone explain me how this 40/57 came?
Gumps said:
1 decade ago
This is simple.
New increment in salary led to the new ratio.
You cannot add ratio (2,3) to value (4000) hence effect the change in ratio by multiplying by x factor.
Thus, 2x+4000... etc
New increment in salary led to the new ratio.
You cannot add ratio (2,3) to value (4000) hence effect the change in ratio by multiplying by x factor.
Thus, 2x+4000... etc
Post your comments here:
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers