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Hello Sir, How many nos. are there between 100-1000 such that atleast one of the digits is 6?? Please answer.

Hello Sir,


How many nos. are there between 100-1000 such that atleast one of the digits is 6??


Please answer. 

Grade:10

3 Answers

Chetan Mandayam Nayakar
312 Points
9 years ago

Answer=9*10 +1=91

Krishna Pradyumna Mokshagundam
31 Points
9 years ago

no.s having 6 in their units place..... Ex:106,116,126,..... 206,216,226,....306,316...    = 10*9=90

no.s having 6 in tens place.... ex:160,260,360.....960  .....  =9

no.s having 6 in hundreds place.... 600 is the only number.  =1

Total numbers having atleast one six in their digits is 90+9+1=100

Nikhil panduranga
14 Points
9 years ago

between 100-1000 there are 900 "three" digit numbers  

there are a total of 10 nos 0-9 CASE 1 when no digit is 6

(8*8*7) Case 2 :all the possibilities i.e (9*8*7) Subtract them both u will have the answer............AM I RIGHT????

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