46
What is the average of first 25 multiples of 11?
- A152
- B147
- C143
- D134
Answer not set
Log in or create a free account to reply and vote.
0
CCommunity
Sum of first 25 multiples of 11 = 25/2[22 + 24 × 11] = 3575
∴ Average of first 25 multiples of 11 = 3575/25 = 143
∴ Average of first 25 multiples of 11 = 3575/25 = 143
0
CCommunity
11(25*26/25*2)= 143