out of three numbers ,first number is twice the second and half of the third number . If the average of all the three number is 56 , what is the difference between the first and second number?

Let third number be 2x then first number is x, and second number is x/2. Then find the average, (2x+x+(x/2)) / 3 = 56, then x= 48 and then the difference of 1st and 2nd number is 48-24 = 24. Practice more Banking Quant questions for SBI and IBPS. 

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