Question

How many numbers of two digits are divisible by 7?​

Answer 1

Answer:

one is 21 na d other is14 and all table of 7

Answer 2

Answer:

Step-by-step explanation:

Answer is 13

Step-by-step explanation:

The first two digit no. divisible by 7 is 14

the last two digit no. divisible by 7 is 98  

a_{n} = a + (n-1) d

98 = 14 + (n-1)7

84 = (n-1)7

12 = n - 1

13 = n