Vasya wrote down several consecutive integers.

Vasya wrote down several consecutive integers. Which of the following could not be the percentage of odd numbers among them

Quiz

Answer/Solution

55

Steps/Work

what you have to check is if the (answer given: 100-answer given) is either equal or two consecutive values..
reason for this is that there are only three possiblities of numbers of odd numbers in consecutive integers
1) equal to number of even numbers
2)one more than number of even numbers
3)one more than number of even numbers
(A) 40:60=2:3possible
(B) 45:55=9:11not possible
(C) 48:52=12:13possible
(D) 50:50=1:1possible
(E) 60:40=3:2possible
ans D