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pappu07

Asked: February 28, 2023In: Class 10 Maths

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.

Find the number of blue balls in the jar. NCERT Class 10 math’s Chapter 15 Page No. 312 Exercise 15.2 Question 5

Paramhansh Trivedi

Asked: February 28, 2023In: Class 10 Maths

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 values of the total score on the two throws:

What 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)

Mridul Gupta

Asked: February 28, 2023In: Class 10 Maths

A die is thrown twice. What is the probability that

(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 ...

Anwesha Patel

Asked: February 28, 2023In: Class 10 Maths

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 the dice is

(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.

Anwesha Patel

Asked: February 28, 2023In: Class 10 Maths

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 gives it to her. What is the probability that

(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

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.

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 values of the total score on the two throws:

A die is thrown twice. What is the probability that

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 the dice is

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 gives it to her. What is the probability that

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