Question

how many 2 digit numbers are divisible by7​

Answer 1

Answer:

13

Step-by-step explanation:

7×2, 7×3, 7×4, 7×5, 7×6, 7×7, 7×8, 7×9, 7×10, 7×11, 7×12, 7×13, 7×14

Answer 2

Answer:

14,21,28,35,...98 are in A.P

First term=a=14 and common difference=d=21−14=7

and the last term=t

n

=98

t

n

=a+(n−1)d

⇒98=14+(n−1)7

⇒98=14+7n−7

⇒7n=98−7

⇒7n=91

⇒n=

7

91

=13

There are 13 numbers divisible by 7.

Step-by-step explanation:

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