How many three - digit number are divisible by 7
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this is question of AP
last term 994
first term 105
difference 7
now last term = first + ( n-1) difference
994=105+(n-1) 7
n = 128
last term 994
first term 105
difference 7
now last term = first + ( n-1) difference
994=105+(n-1) 7
n = 128
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