Question

Find, how many two digit natural numbers are divisible by 7​

Answer 1

Answer:

an = a+(n-1)d

98 = 14+ (n-1)7

98-14 = (n-1)7

n-1 = 84÷7

n = 12+1

n = 13

so 13 2 digit number are divisible by 7

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Answer 2

Answer: a=14,21,28......98

D=21-14

=7

An=a+n-1×d

98=14+n-1×7

N=13

13 two digit no r divis

Step-by-step explanation: hope it HELPS

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