A box contains cards numbered 6 to 50. A card is drawn at random from the box. The probability that the drawn card has a number which is a perfect square like 4, 9….is
(a) 1/45 (b) 2/15 (c) 4/45 (d) 1/9
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Last updated at Sept. 7, 2021 by Teachoo
Transcript
Question 1 A box contains cards numbered 6 to 50. A card is drawn at random from the box. The probability that the drawn card has a number which is a perfect square like 4, 9….is (a) 1/45 (b) 1/15 (c) 4/45 (d) 1/9 Total number of cards = 50 − 6 + 1 = 45 Perfect square numbers are… 4, 9, 16, 25, 36, 49, 64, 81, 100, … Number of perfect square b/w 6 to 50 = 5
CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]
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CBSE Class 10 Sample Paper for 2022 Boards - Maths Basic [MCQ]
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