What percent of the integers between 100 and 999,
inclusive, have all three digits the same?
(A) 1%
(B) 2%
(C) 3%
(D) 4%
(E) 5%
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22 comments:
there r nine numbers ex. 111,222,........999
total no. from 100 to 999 are 900
then percentage is
(9\900)*100
=1%
they r totaly 8 number r there in between 100 to 999...that is 111 222 333 444 555 666 777 888 and 999 is not include ... so (8\888)*100 = 0.98 therefore it is 1%
They are 8 numbers (111 - 888) and their percent from 899 numbers is 0.89% which is approximately 1% so the closest answer is A.
ans is 1 %
ans a
a=1%
A
ans is 1%
First we have to find the how many numbers b/w 100 to 999 inclusiv.
mean total numbers b/w a to b inclusive is b-a+1.
that is total numbers are 900
the numbers have same digits are
111,222,333,444,555,666,777,888,999
Totally 9 are ther
Percentage=9/900*100=1%
answer is 1%
1% as there is one three digit no. with the same no. for every hundred nos. and so there are totally 900 nos. between 100 and 999 therefore the percentage can be calculated as follows:
[9/900]*100=1%
answer is a
1%
a=1%
1%
my answer is 1% because out of 900 numbers there are only 9 numbers having allthree same digits ie 9/900=1%
1% damsure
hey de answer is 1% but it shud b 8/898 but not 8/888 as mentioned by [b]kirankumar3561[/b]cos v hav 999-100-1 numbers b'ween 100-999
100*9/(899+1)=1%
1%.
A
YES by calculation A 1% is correct answer
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