How many multiples of 7 are there between 1 and 100?
A13
B15
C16
D14
Answer:
D. 14
Read Explanation:
Between 1 and 100, the first multiple of 7 is 7, and the last multiple of 7 is 98.
n th term 98 = a +(n-1)d
98 = 7 + (n-1)7
91 = (n-1)7
13 = (n - 1)
n = 14
