If in a sprint race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there in the race?
Come back tomorrow for the correct answer to this teaser.
Answer for yesterday's Brain Teaser
What number should replace the question mark in the figure below?
Answer
The required number is 20.
The sum of digits of the numbers on the left and right side as well as the
sum of digits of the numbers on
top and bottom add up to be equal to the number in the middle.
So, for example, in the first figure the numbers on the left and right side are 29 and 34 while the numbers on top and bottom are 66 and 51 respectively.
thus, using the above principle we add the digits of the numbers as
(2+9) + (3+4) = 18 (left-right)
(6+6) + (5+1) = 18 (top-bottom)
and both equal to number 18, which is the number in the middle.
