Check sibling questions

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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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

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.