Question

find the mean of multiples of 5 between 1 to 100​

Answer 1

Answer:

20

Step-by-step explanation:

In order to find no. of multiple of 5 , we form an AP

5,10,15......100

a=5

d=5

L = 100

100= 5 + (n-1)5

95 = (n-1). × 5

19 = n -1

n = 20