Math, asked by ashiq3, 1 year ago

How many two digit number are divisible by 7

Answers

Answered by ADITYA1100
9
14,21,28, 35,42, 49, 56, 63, 70,77,84,91,98
Answered by zeba8
19
according to the Arithmetic Progress (AP)
by the formula : T(n)= a+(n-1)d
we have AP series 14,21,28............….98.
a = 14, d =7, T(n) = 98.
putting value in the formula
98= 14+(n-1)7
98-14 = (n-1)7
84/7 = (n-1)
12 =n-1
12+1 =n
13 = n



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