reasoning Maths Puzzle

What is the probability of choosing the correct answer at random from the options below.
a) 1/4
b) 1/2
c) 1
d) 1/4

Read Solution (Total 1)

1/2
P(E)=Favourable/Total cases i.e. 2/4=1/2
(As 1/4 is repeated)
8 years agoHelpfull: Yes(0) No(0)

reasoning Other Question

You have two hour glasses one measure 7 minutes and other measure 4 minutes.
Using these two hour glasses, you need to measure exactly 9 minutes. Can you divide numbers from 1 to 9 (1 2 3 4 5 6 7 8 9) into two groups so that sum of number of each group is equal.

Note : 9 cannot be turned over to make it 6.