Probability

JEE Main Mathematics · 9 questions

All questions, latest first

• A candidate has to go to the examination centre to appear in an examination. The candidate uses only one means of transportation…20268 April, Shift 2 · Q6
• A bag contains 6 blue and 6 green balls. Pairs of balls are drawn without replacement until the bag is empty. The probability…20266 April, Shift 2 · Q9
• A bag contains (N+1) coins - N fair coins, and one coin with 'Head' on both sides. A coin is selected at random and tossed. If…20266 April, Shift 1 · Q10
• The probabilities that players A and B of a team are selected for the captaincy for a tournament are 0.6 and 0.4, respectively.…20265 April, Shift 2 · Q8
• A letter is known to have arrived by post either from KANPUR or from ANANTPUR. On the envelope just two consecutive letters AN…20265 April, Shift 1 · Q7
• From a month of 31 days, 3 different dates are selected at random. If the probability that these dates are in an increasing A.P.…20264 April, Shift 2 · Q21
• A coin is tossed 8 times. If the probability that exactly 4 heads appear in the first six tosses and exactly 3 heads appear in…20264 April, Shift 1 · Q21
• A man throws a fair coin repeatedly. He gets 10 points for each head he throws and 5 points for each tail he throws. If the…20262 April, Shift 2 · Q8
• Let a, b, c ∈{1,2,3,4}. If the probability, that a x^2+2 √2 b x+c>0 for all x ∈ R, is m/n, gcd(m, n)=1, then m+n is equal to ____.20262 April, Shift 1 · Q23