Book
Maths Puzzle
Numerical Ability
Simple & Compound Interest
Two fair dice are thrown.find the probability of getting
1) number divisible by 2 or 4
2) number divisible by 2 and 4
Read Solution (Total 1)
-
- total posible condition={(1,1),(1,3),(1,5),(3,5),(5,3),(5,1),(3,1),(5,5),(3,3),(2,2),(2,4),(4,2),(2,6),(6,2),(4,4),(6,6)}
so
1) no divide by 2 or 4= 16/36=4/9
2) no divide by 2 and 4= 9/36= 1/4 - 9 years agoHelpfull: Yes(2) No(7)
Book Other Question
find out the probability of forming 187 or 215 with the digits 1,2,3,4,5,6,7,8,9, when only numbers of 3 digits are formed and when
1) repetitions are not allowed and when
2) repetitions are allowed
A can hit the target 3 times in 6 shots,B 2 times in 6 shots and C 4times in 6 shots.They fire a volley . What is the probability that at least 2 shots hit?