Question : The ratio of the salaries of Abhi and Monu is 6 : 11. If their salaries are increased by 10% and 12%, respectively, then what will be the new ratio of their salaries?
Option 1: 12 : 13
Option 2: 5 : 3
Option 3: 17 : 23
Option 4: 15 : 28
Correct Answer: 15 : 28
Solution :
Given: The ratio of the salaries of Abhi and Monu is 6 : 11.
Their salaries are increased by 10% and 12%, respectively.
Let Abhi's salary be INR 600.
Then, Monu's salary be INR 1,100.
According to the question,
[600(1 + 10%)] : [1100(1 + 12%)]
= [600(1 + 0.10)] : [1100(1 + 0.12)]
= [600 × 1.10)] : [1100 × 1.12]
= 660 : 1232
= 15 : 28
Hence, the correct answer is 15 : 28.
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