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Q26. A box of 600 bulbs contains 12 defective bulbs. One bulb is taken out at random from this box. Then the probability that it is non- defective bulb is:

Question

(A) 143/150 (B) 147/150 (C) 1/25 (D) 1/50

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Class 10 Maths 3 years 1 Answer 20 views Enlightened 0

Q25. A bag contains 5 red balls and some blue balls .If the probability of drawing a blue ball is double that of a red ball, then the number of blue balls in a bag is:

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(A) 5 (B) 10 (C) 15 (D) 20

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Class 10 Maths 3 years 1 Answer 4 views Enlightened 0

Q24. 100 cards are numbered from 1 to 100. Find the probability of getting a prime number.

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(A) 3/4 (B) 27/50 (C) 1/4 (D) 29/100

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Class 10 Maths 3 years 1 Answer 15 views Enlightened 0

Q23. Two dice are thrown simultaneously. The probability of getting a sum of 9 is:

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(A) 1/10 (B) 3/10 (C) 1/9 (D) 4/9

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Class 10 Maths 3 years 1 Answer 7 views Enlightened 0

Q22. Two coins are thrown at the same time. Find the probability of getting both heads.

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(A) 3/4 (B) 1/4 (C) 1/2 (D) 0

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Class 10 Maths 3 years 1 Answer 7 views Enlightened 0

Q21. A dice is thrown. Find the probability of getting an even number.

Question

(A) 2/3 (B) 1 (C) 5/6 (D) 1/2

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Class 10 Maths 3 years 1 Answer 4 views Enlightened 0

Q20. Two players, Sangeeta and Reshma, play a tennis match. It is known that the probability of Sangeeta winning the match is 0.62. The probability of Reshma winning the match is

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(a) 0.62 (b) 0.38 (c) 0.58 (d) 0.42

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Class 10 Maths 3 years 1 Answer 19 views Enlightened 0

Q19. The probability of getting a bad egg in a lot of 400 is 0.035.The number of bad eggs in the lot is

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(a) 7 (b) 14 (c) 21 (d) 28

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Class 10 Maths 3 years 1 Answer 5 views Enlightened 0

Q18. A card is drawn from a deck of 52 cards. The event E is that card is not an ace of hearts. The number of outcomes favourable to E is

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(a) 4 (b) 13 (c) 48 (d) 51

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Class 10 Maths 3 years 1 Answer 4 views Enlightened 0

Q17. If the probability of an event is p, the probability of its complementary event will be

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(a) p – 1 (b) p (c) 1 – p (d) 1 – 1/p

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Class 10 Maths 3 years 1 Answer 9 views Enlightened 0

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