Average of 3 numbers is 87. The 1st number is 4 times the 2nd number and 5 times the 3rd number. What will be difference between first and third number?

Average of 3 numbers is 87. The 1st number is 4 times the 2nd number

1.	Average of 3 numbers is 87. The 1st number is 4 times the 2nd number and 5 times the 3rd number. What will be difference between first and third number?
A.	99
B.	144
C.	132
D.	169
Answer» C. 132

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Average of 3 numbers is 87. The 1st number is 4 times the 2nd number and 5 times the 3rd number. What will be difference between first and third number?

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