What is the average of the first 10 even numbers ?
A10
B11
C5.5
D5
Answer:
B. 11
Read Explanation:
Average of first n even numbers= n+1
n+1 = 10+1 = 11
OR
The first 10 even numbers are: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Average = sum/ number
= 110/11
= 11