Three numbers are in the ratio 4:5:6. The sum of the largest and the smallest number is equal to sum of the third number and 45. The largest number is:
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Step-by-step explanation:
Let the first no. be 4x
second no. = 5x
Third no. = 6x
According to the question
6x + 4x = 5x + 45
10x = 5x + 45
10x - 5x = 45
5x = 45
x = 9
so the largest no. is 6x = 6× 9
= 54
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