How many numbers will be there between 300 and 500

How many numbers will be there between 300 and 500, where 4 comes only one time?
(a) 99
(b) 100
(c) 110
(d) 120

Anurag Mishra Professor Asked on 8th March 2016 in Reasoning Questions.
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1 Answer(s)

Answer: (a) 99

Solution:-
1st of all 300 to 399,
3n4 & 34n in which n is filled by 18……….(1)
now 400 to 499
4n4 & 44n in which n is filled by 19,
so out of 100 (400-499) 19 numbers have one more than 4.
=100-19= 81…….(2)
Numbers =81+18=99

Hence, the correct answer is option (a) 99. 

Anurag Mishra Professor Answered on 9th March 2016.
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