Mathematics
A box contains 21 cards numbered 1, 2, 3, 4, ……………, 21 and thoroughly mixed. A card is drawn at random from this box. What is the probability that the number on the card is divisible by 2 or 3 ?
Related Questions
Numbers 1 to 10 written on ten separate identical slips (one number on one slip) are kept in box and mixed well. One slip is chosen at random from the box without looking into it. What is the probability of :
(i) getting a number less than 6 ?
(ii) getting a single digit number ?
Find the probability of drawing a square number from a pack of 100 cards numbered from 1 to 100.
A dice is tossed once. What is the probability of the number 7, coming up ?
A spinning wheel is divided into five equal sectors; out of which three are painted green, one is painted blue and the remaining one is painted red. What is the probability of getting a non-blue sector ?