top button
Flag Notify
    Connect to us
      Facebook Login
      Site Registration Why to Join

    Get Free Puzzle Updates

Facebook Login
Site Registration

What will be the probability to get his success in that exam ?

0 votes
104 views

A student get 450 marks out of 500 marks in an exam having subject Hindi, Mathematics, Physics, Chemistry and English. For qualifying an exam of Science his score should be 90% in 3 subjects Physics, Chemistry and Mathematics.
What will be the probability to get his success in that exam ?

posted Apr 30, 2015 by Mohammad

Share this puzzle
Facebook Share Button Twitter Share Button Google+ Share Button LinkedIn Share Button Multiple Social Share Button

1 Solution

+4 votes

Number of combinations for Physics, Chemistry and Mathematics are
(5*4*3*2*1)/(3*2*1*2*1) = 10
Out of 10 combinations non-qualifying combination are
(82,85,93), (82,85,94), (82,85,96) and (82,93,94)
So possibility to get his success = 6/10
=3/5

solution May 1, 2015 by Jaspalsingh Parmar



Similar Puzzles
0 votes

A 3 digit number is such that 2 digits of the number are 1 and 2.
What is the probability that we would get success in our one trail to guess the number ?

0 votes

A student gets 450 marks out of 500 in an exam having subject Hindi, Mathematics, Physics, Chemistry and English. For qualifying an exam of science his score should be 90% in 3 subjects Physics, Chemistry and Mathematics.

What is the Probability to get his success in the exam?

+1 vote

A non negative number having all distinct digits is such that the product of all digits of the number is 504.
What will be the probability that the number has sum of all its digits 25 ?

0 votes

Upon tossing a fair coin five times, you get heads every time. What is the probability that in the next toss, it will land with tail?

0 votes

A speaks truth in 70% cases and B in 80% cases. What will be the probability that they will contradict each other in describing a single event?

Contact Us
+91 9880187415
sales@queryhome.net
support@queryhome.net
#470/147, 3rd Floor, 5th Main,
HSR Layout Sector 7,
Bangalore - 560102,
Karnataka INDIA.
QUERY HOME
...