Average Ques 14
Question-
Average of first five odd multiples of 3 is
(1) 12
(2) 16
(3) 15
(4) 21
Show Answer
Correct Answer: (3)
Solution: (3)
Average of first five odd multiples of 3 $ =\frac{3+9+15+21+27}{5} $ $ =\frac{3(1+3+5+7+9)}{5}=\frac{3\times 25}{5}=15 $
BETA
