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22. How many numbers are therebetween 99 and 1000 such thatthe digit 8. occuples the unit'splace?(11 6421 74

Answer»

108, 118, 128,...................998so from 100-200 we get 10 and from 200 -300 we get 10 likewise we will get 9 times from 100-998 so there are 90 digits



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