Six numbers are arranged in decreasing order. The average of the first five numbers is 30 and the average of the last five members is 25. The difference of the first and the last numbers is

(a) 20 (b) 25 (c) 5 (d) 30

Six numbers are arranged in decreasing order. The average of the first five numbers is 30 and the average of the last five members is 25. The difference of the first and the last numbers is

(a) 20 (b) 25 (c) 5 (d) 30

1 Answer

127 votes

Numbers are

According to the question,

Average of first five numbers = 30.

Sum of the first five number =

Average of last five numbers = 25.

Sum of the last five number =

By equation

127 votes

127