Question:
What is the average of even numbers from 50 to 250?
A150
B200
C175
D160
Answer:
A. 150
Explanation:
50+52+...............+250 n= 250-50/2 +1 =101 sum =101/2[50+250] =101x150 Avg= 101 x 150/101 =150
Question:
A150
B200
C175
D160
Answer:
50+52+...............+250 n= 250-50/2 +1 =101 sum =101/2[50+250] =101x150 Avg= 101 x 150/101 =150
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