New Learning Composite Mathematics SK Gupta Anubhuti Gangal Class 7 Probability Self Practice 16B Solution
(1)
a | b | c | d | e | f |
16/32 or ½ | 8/32 or 1/4 | 4/32 or 1/8 | 2/32 or 1/16 | 1/32 | 1/32 |
(2) (a) Orange – 1/4
(b) Lichi – 1/2
(3) (a) a green marble – 9/10
(b) a blue marble – 1/10
(4) (a) a 4 up – 1/6
(b) a 2 up – 1/6
(5) Ans – 1/5
(6) (a) There are 26 red card
The probability of the top card will be a red card = 26/52 = 1/2
(b) There are 9 x 4 = 36 number card.
Therefore, the probability of the top card is a number card = 36/52 = 9/13.
(7) (a) 2/8 = 1/4
(b) 3/8
(c) 2/8 = 1/4
(d) 1/8
(8) (a) 1/6
(b) 2/6 = 1/3
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