Latest Wipro Aptitude Question SOLUTION: The ratio of two numbers is 5:6. If a number is added to both the numbers the ratio becomes 7:8. If the larger number exceeds the smaller number by 10. Find the number added. A. 30

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The ratio of two numbers is 5:6. If a number is added to both the numbers the ratio becomes 7:8. If the larger number exceeds the smaller number by 10. Find the number added.
A. 30
B. 10
C. 20
D. 40
E. Cannot be determined

Solution

let the numbers are 5x and 6x. Let the number added is y so 5x+y/6x+y = 7/8
and 6x-5x = 10 implies x = 10
taking x=10, 50+y/60+y = 7/8 implies 400+8y = 420+7y or y = 20 (c)


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