Grade 10Algebra
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.
3 Answers
Chetan Mandayam Nayakar
Answer=9*10 +1=91
Krishna Pradyumna Mokshagundam
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
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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