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Which of the following arguments are cor...

Which of the following arguments are correct and which are not correct? Give reasons for your answer. (i) If two coins are tossed simultaneously there are three possible outcomes two heads, two tails or one of each. Therefore, for each of these o

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Which of the following arguments are correct and which are not correct? Give reasons. i) If two coins are tossed simultaneously there are three possible outcomes - two heads, two tails or one of each. Therefore, for each of these outcomes, the probability is 1/3 ii)If a die is thrown, there are two possible outcomes - an odd number or an even number. Therefore, the probability of getting an odd number is 1/2

Which of the following sentences are statement? Give reason for your answer: 6 has three prime factors.

Which of the following sentences are statement? Give reason for your answer: Sum of two positive numbers is positive numbers.

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For each of the following statements, determine whether an inclusive Or or exclusive or is used. Give reasons for your answer: Two lines intersect at a point or are parallel.

Which of the following statements are true and which are false ? Give reasons for your answers : (i) Only one line can pass through a single point. (ii) There are an infinite number of lines which pass through two distinct points. (iii) A terminated line can be produced indefinitely on both the sides. (iv) If two circles are equal, then their radii are equal. (v) In the given figure, if AB = PQ and PQ = XY, then AB = XY.

Which of the following is correct for any two complex number z_(1) and z_(2) ?

Two coins are tossed simultaneously. Find the probability of getting ( 1 ) one head, ( 2 ) two heads, ( 3 ) at least one head and ( 4 ) no head

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KUMAR PRAKASHAN-PROBABILITY -EXERCISE 15.1
  1. A bag contains lemon flavoured candies only. Malini takes out one c...

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  2. It is given that in a group of 3 students, the probability of 2 stu...

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  3. A bag contains 3 red balls and 5 black balls. A ball is drawn at ra...

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  4. A box contains 5 red marbles, 8 white marbles and 4 green marbles. One...

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  5. A piggy bank contains hundred 50p coins, fifty Rs. 1 coins, twenty ? ...

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  6. Gopi buys a fish from a shop for his aquarium. The shopkeeper takes o...

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  7. A game of chance consists of spinning an arrow which comes to rest ...

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  8. A die is thrown once. Find the probability of getting (i) a prime numb...

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  9. One card is drawn from a well-shuffled deck of 52 cards. Find the prob...

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  10. Five cardsthe ten, jack, queen, king and ace of diamonds, are well ...

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  11. 12 defective pens are accidentally mixed with 132 good ones. It is ...

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  12. (i) A lot of 20 bulbs contain 4 defective ones. One bulb is drawn a...

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  13. A box contains 90 discs which are numbered from 1 to 90. If one disc ...

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  14. A child has a die whose six faces show the letters as given below: ...

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  15. Suppose you drop a die at random on the rectangular region shown in...

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  16. A lot consists of 144 ball pens of which 20 are defective and the o...

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  17. (1) Complete the following table : (2) A student argues that 'the...

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  18. A game consists of tossing a one rupee coin 3 times and noting its ...

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  19. A die is thrown twice. What is the probability that (i) 5 will not...

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  20. Which of the following arguments are correct and which are not corr...

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