Out of 4 numbers, whose average is 60, the first one is onefourth of the sum of the last three. The first number is

Out of 4 numbers, whose average is 60, the first one is onefourth of t

1.	Out of 4 numbers, whose average is 60, the first one is onefourth of the sum of the last three. The first number is
A.	15
B.	45
C.	48
D.	60
Answer» D. 60

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Out of 4 numbers, whose average is 60, the first one is onefourth of the sum of the last three. The first number is

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