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  1. Three number are in the ratio 4 : 5 : 6 and their average is 25. The largest number is ?
    1. 42
    2. 36
    3. 30
    4. 32
Correct Option: C

Let the number be 4N, 5N and 6N
Then, 4N + 5N + 6N/3 = 25
or 15N = 75
or N = 5
Then largest number = 6N = 6 x 5 = 30


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