Infosys Company Logical Reasoning General Mental Ability

How many times the no 1 digit is used between 119 to 384?

Read Solution (Total 3)

100 2 200 der r 110 1's so 119 2 200 =80
200 2 300=20
300 2 384=19
total=119
10 years agoHelpfull: Yes(2) No(1)

120-199=89 1s
200-300=40 1s
300-384=19 1s
ans:128
10 years agoHelpfull: Yes(1) No(1)
125 120-199= 87 1s

200-300 40
300-348 18
10 years agoHelpfull: Yes(0) No(6)

Infosys Other Question

Set of 30 nos,average of 1st 10 nos=avg of last 20 nos.the sum of last 20 nos is
a)sum of 1st ten nos
b)can’t be determined
c)2*sum of first ten numbers
d)2*sum of last ten nos
The sum of the 5 consecutive two digit odd number when divided by 10 becomes a perfect square, which of the following can be one of these 5 numbers?
option
a) 47
b) 91
c) 41
d) 67