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Clearly, favourable, , oute : ., 2. GS), G. OMeS are, , 1), (S, 4), (6,, > Number of favourable ut, outco, , > Required probapitit 12, 36, , , , _{, , 1. Nine cards (identical in aq] Tespects) are, numbered 2 to 10. A card is selected from ne, at random, Find the probability that the oe, selected will be : ; a, , , , (i) an even number., (ii) a multiple of 3., (iii) an even number and a multiple of 3., (iv) an even number or a multiple of 3, 2. Hundred identical cards are numbered from 1, to 100. The cards are well shuffled and then, a card is drawn. Find the probability that the, number on the card drawn is :, (i) a multiple of 5., (ii) a multiple of 6., (iii) between 40 and 60., (iv) greater than 85., (v) less than 48., 3. From 25 identical cards, numbered 1, 2, 3, 4,, 24, 25; one card is drawn at, random. Find the probability that the number, on the card drawn is a multiple of :, @3 G5 (iii)3 and5 (iv) 3 orS., 4. A die is thrown once. Find the probability of, getting a number :, (i) less than 3., (ii) greater than or equal to 4., (iii) less than 8., (iv) greater than 6., , A book contains 85 pages. A page is chosen, at random. What is the probability that the, sum of the digits on the page is 8 ?, , A pair of dice is thrown. Find the probability, of getting a sum of 10 or more, if 5 appears, on the first die., , , , , , , , , , , r of cases = 6 x 6 ., le cases are (5, 5) and (5, 6)., , are tossed once, what is the, f getting :, , (1, 2), 4, 5), @ 1), (2, 4), 3) and (6, 6), , mes, , 3, , EXERCISE 25(B) }, , (il) at least one head ?, , (iii) both heads or both tails 7, , , , 8. Two dice are rolled t, Probability of getti, , () a total of at, , her. Find the, , , , , , st 10,, @) a multiple of 2 on one die and an odd, number on the other die, , c ne, 9. A card is drawn from a well-shuffled |, , 52 cards., , , , nd the probability that th, drawn is :, (i) a spade. Gi) a red card, Gii) a face card. (iv) 5 of heart or diamond., (vy) Jack or queen. (vi) ace and king, , (vii) a red and a king. ., , (viii) a red or a king., 10. A bag contains 16 coloured balls. Six, A ball is, , . Find the, , , , green, 7 are red and 3 are wh, chosen, without looking into the be, probability that the ball chosen is, @ red, , (ili) white, , (v) green or red, (vii) green or red or white., , , , , i) not red, (iv) not white, (v1) white or g, , , , 11. A ball is drawn at random from a box, containing 12 white, 16 red and 20 green balls., Determine the probability that the ball drawn, Is, , (i) white, (iii) not green, , (ii) red, (iy) red or white., 12. A card is drawn from a pack of 52 cards. Find, the probability that the card drawn is :, (i) a red card (ii) a black card, (iii) a spade (iv) an ace, (v) a black ace (vi) ace of diamonds, (vii) not a club (viii) a queen or a jack., , |, |, , 13. Thirty identical cards are marked with numbers, 1 to 30. If one card is drawn at random, find, the probability that it is :, , | (i) a multiple of 4 or 6., , | (ii) a multiple of 3 and 5., , (iii) a multiple of 3 or 5.