Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is :
A. 48
B. 29
C. 17
D. 36
Answer:A
Of the four numbers, whose average is 60, the first is one-fourth of the sum of the last three. The first number is :
A. 48 B. 29 C. 17 D. 36