Q. 15. Two dice are thrown simultaneously. Find the probability that the sum of the two numbers appearing on the top is less than or equalto 10.
Sol. Two dice can be thrown in 6 × 6 = 36 ways
“Sum of two numbers greater than 10” can be
obtained as (6, 5), (5, 6), (6, 6) i.e., 3 ways
P (Sum of numbers less than or equal to 10)
= 1 – P (Sum greater than 10)
Or
The King, Queen and Jack of diamonds are removed from a pack of 52 cards and then the pack is well-shuffled. A card is drawn from the remaining cards. Find the probability of getting a card of (i) diamonds, (ii) a Jack.
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