Class 10 Maths – Tiwari Academy Discussion
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3232During the medical check-up of 35 students of a class, their weights were recorded as follows:
https://discussion.tiwariacademy.com/question/during-the-medical-check-up-of-35-students-of-a-class-their-weights-were-recorded-as-follows/
https://discussion.tiwariacademy.com/question/during-the-medical-check-up-of-35-students-of-a-class-their-weights-were-recorded-as-follows/#commentsTue, 28 Feb 2023 09:31:18 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209500Draw a less than type ogive for the given data. Hence obtain the median weight from the graph and verify the result by using the formula.
NCERT Math’s class 10 chapter 14
Page No. 293
Exercise 14.4
Question 2
]]>https://discussion.tiwariacademy.com/question/during-the-medical-check-up-of-35-students-of-a-class-their-weights-were-recorded-as-follows/feed/1A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3.
https://discussion.tiwariacademy.com/question/a-jar-contains-24-marbles-some-are-green-and-others-are-blue-if-a-marble-is-drawn-at-random-from-the-jar-the-probability-that-it-is-green-is-2-3/
https://discussion.tiwariacademy.com/question/a-jar-contains-24-marbles-some-are-green-and-others-are-blue-if-a-marble-is-drawn-at-random-from-the-jar-the-probability-that-it-is-green-is-2-3/#commentsTue, 28 Feb 2023 07:15:32 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209213Find the number of blue balls in the jar.
NCERT Class 10 math’s Chapter 15
Page No. 312
Exercise 15.2
Question 5
]]>https://discussion.tiwariacademy.com/question/a-jar-contains-24-marbles-some-are-green-and-others-are-blue-if-a-marble-is-drawn-at-random-from-the-jar-the-probability-that-it-is-green-is-2-3/feed/1A die is numbered in such a way that its faces show the numbers 1, 2, 2, 3, 3, 6. It is thrown two times and the total score in two throws is noted. Complete the following table which gives a few values of the total score on the two throws:
https://discussion.tiwariacademy.com/question/a-die-is-numbered-in-such-a-way-that-its-faces-show-the-numbers-1-2-2-3-3-6-it-is-thrown-two-times-and-the-total-score-in-two-throws-is-noted-complete-the-following-table-which-gives-a-few-valu/
https://discussion.tiwariacademy.com/question/a-die-is-numbered-in-such-a-way-that-its-faces-show-the-numbers-1-2-2-3-3-6-it-is-thrown-two-times-and-the-total-score-in-two-throws-is-noted-complete-the-following-table-which-gives-a-few-valu/#commentsTue, 28 Feb 2023 07:15:22 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209194What is the probability that the total score is
(i) even? (ii) 6? (iii) at least 6?
Math’s NCERT class 10 chapter 15 probability
Page No. 311
Exercise 15.2 (Optional)
Question No. 2
]]>https://discussion.tiwariacademy.com/question/a-die-is-numbered-in-such-a-way-that-its-faces-show-the-numbers-1-2-2-3-3-6-it-is-thrown-two-times-and-the-total-score-in-two-throws-is-noted-complete-the-following-table-which-gives-a-few-valu/feed/1Which of the following arguments are correct and which are not correct? Give reasons for your answer.
https://discussion.tiwariacademy.com/question/which-of-the-following-arguments-are-correct-and-which-are-not-correct-give-reasons-for-your-answer/
https://discussion.tiwariacademy.com/question/which-of-the-following-arguments-are-correct-and-which-are-not-correct-give-reasons-for-your-answer/#commentsTue, 28 Feb 2023 07:15:13 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209182(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.
NCERT Class 10 math’s chapter 15 probability
Page No. 311
Exercise 15.1
Question No.25
]]>https://discussion.tiwariacademy.com/question/which-of-the-following-arguments-are-correct-and-which-are-not-correct-give-reasons-for-your-answer/feed/1A die is thrown twice. What is the probability that
https://discussion.tiwariacademy.com/question/a-die-is-thrown-twice-what-is-the-probability-that/
https://discussion.tiwariacademy.com/question/a-die-is-thrown-twice-what-is-the-probability-that/#commentsTue, 28 Feb 2023 07:15:01 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209178(i) 5 will not come up either time? (ii) 5 will come up at least once?
[Hint: Throwing a die twice and throwing two dice simultaneously are treated as the
same experiment]
NCERT Class 10 math’s chapter 15 Probability
Page no. 310
Exercise 15.1
Question No. 24
]]>https://discussion.tiwariacademy.com/question/a-die-is-thrown-twice-what-is-the-probability-that/feed/1Refer to Example 13: Two dice, one blue and one grey, are thrown at the same time. Write down all the possible outcomes. What is the probability that the sum of the two numbers appearing on the top of the dice is
https://discussion.tiwariacademy.com/question/refer-to-example-13-two-dice-one-blue-and-one-grey-are-thrown-at-the-same-time-write-down-all-the-possible-outcomes-what-is-the-probability-that-the-sum-of-the-two-numbers-appearing-on-the-top-of/
https://discussion.tiwariacademy.com/question/refer-to-example-13-two-dice-one-blue-and-one-grey-are-thrown-at-the-same-time-write-down-all-the-possible-outcomes-what-is-the-probability-that-the-sum-of-the-two-numbers-appearing-on-the-top-of/#commentsTue, 28 Feb 2023 07:14:49 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209170(i) 8?
(ii)A student argues that ‘there are 11 possible outcomes 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12. Therefore, each of them has a probability 1/11. Do you agree with this argument? Justify your answer.
Math’s NCERT Class 10 Chapter 15 probability
Page No. 310
Exercise 15.1
Question No. 22
]]>https://discussion.tiwariacademy.com/question/refer-to-example-13-two-dice-one-blue-and-one-grey-are-thrown-at-the-same-time-write-down-all-the-possible-outcomes-what-is-the-probability-that-the-sum-of-the-two-numbers-appearing-on-the-top-of/feed/1A lot consists of 144 ball pens of which 20 are defective and the others are good. Nuri will buy a pen if it is good, but will not buy if it is defective. The shopkeeper draws one pen at random and gives it to her. What is the probability that
https://discussion.tiwariacademy.com/question/a-lot-consists-of-144-ball-pens-of-which-20-are-defective-and-the-others-are-good-nuri-will-buy-a-pen-if-it-is-good-but-will-not-buy-if-it-is-defective-the-shopkeeper-draws-one-pen-at-random-and-gi/
https://discussion.tiwariacademy.com/question/a-lot-consists-of-144-ball-pens-of-which-20-are-defective-and-the-others-are-good-nuri-will-buy-a-pen-if-it-is-good-but-will-not-buy-if-it-is-defective-the-shopkeeper-draws-one-pen-at-random-and-gi/#commentsTue, 28 Feb 2023 07:14:37 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209167(i) She will buy it ?
(ii) She will not buy it ?
NCERT Class 10 Math’s Chapter 15 Probability
Page No. 310
Exercise 15.1
Question No. 21
]]>https://discussion.tiwariacademy.com/question/a-lot-consists-of-144-ball-pens-of-which-20-are-defective-and-the-others-are-good-nuri-will-buy-a-pen-if-it-is-good-but-will-not-buy-if-it-is-defective-the-shopkeeper-draws-one-pen-at-random-and-gi/feed/1Suppose you drop a die at random on the rectangular region shown in Figure.
https://discussion.tiwariacademy.com/question/suppose-you-drop-a-die-at-random-on-the-rectangular-region-shown-in-figure/
https://discussion.tiwariacademy.com/question/suppose-you-drop-a-die-at-random-on-the-rectangular-region-shown-in-figure/#commentsTue, 28 Feb 2023 07:14:26 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209164What is the probability that it will land inside the circle with diameter 1m?
NCERT Class 10 Chapter 15 mathematics Probability
Page No. 310
Exercise 15.1
Question No. 20
]]>https://discussion.tiwariacademy.com/question/suppose-you-drop-a-die-at-random-on-the-rectangular-region-shown-in-figure/feed/1A child has a die whose six faces show the letters as given below:
https://discussion.tiwariacademy.com/question/a-child-has-a-die-whose-six-faces-show-the-letters-as-given-below/
https://discussion.tiwariacademy.com/question/a-child-has-a-die-whose-six-faces-show-the-letters-as-given-below/#commentsTue, 28 Feb 2023 07:14:09 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209160The die is thrown once. What is the probability of getting (i) A? (ii) D?
NCERT Class 10 Math’s Chapter 15
Page No. 310
Exercise 15.1
Question No. 19
]]>https://discussion.tiwariacademy.com/question/a-child-has-a-die-whose-six-faces-show-the-letters-as-given-below/feed/1Which of the following experiments have equally likely outcomes? Explain.
https://discussion.tiwariacademy.com/question/which-of-the-following-experiments-have-equally-likely-outcomes-explain/
https://discussion.tiwariacademy.com/question/which-of-the-following-experiments-have-equally-likely-outcomes-explain/#commentsTue, 28 Feb 2023 07:13:57 +0000https://discussion.tiwariacademy.com/?post_type=question&p=209061(i) A driver attempts to start a car. The car starts or does not start.
(ii) A player attempts to shoot a basketball. She/he shoots or misses the shot.
(iii) A trial is made to answer a true-false question. The answer is right or wrong.
(iv) A baby is born. It is a boy or a girl.
]]>https://discussion.tiwariacademy.com/question/which-of-the-following-experiments-have-equally-likely-outcomes-explain/feed/1