Averages

Question The arithmetic mean of all the distinct numbers that can be obtained by rearranging the digits in 1421, including itself, is a)4444 b)3333 c)2592 d)2442 e)2222 Explanation…

1. The average of five positive numbers is 64. The average of the first two numbers is 59 and the average of last two numbers is 63. What is the third number? (a)76 (b)56 (c)86 (d)…