How many two digit numbers leave the remainder 1
when divided by 5
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ANSWER :
A = 11
An = 96
D = 5
n =?
We know that,
An = A + (n - 1) D
96 = 11 + (n - 1) 5
96 - 11 = (n - 1) 5
85 / 5 = n - 1
17 = n - 1
n = 17 + 1 = 18
Therefore 18 two digit numbers leave the remainder 1 when divided by 5
Hope it helps......
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