Rs Aggarwal 2020 2021 Solutions for Class 7 Maths Chapter 23 Probability are provided here with simple step-by-step explanations. These solutions for Probability are extremely popular among Class 7 students for Maths Probability Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the Rs Aggarwal 2020 2021 Book of Class 7 Maths Chapter 23 are provided here for you for free. You will also love the ad-free experience on Meritnationâ€™s Rs Aggarwal 2020 2021 Solutions. All Rs Aggarwal 2020 2021 Solutions for class Class 7 Maths are prepared by experts and are 100% accurate.

#### Page No 283:

Total number of trials = 300
Number of times a head is obtained = 136
Number of times a tail is obtained= 164

(i) Probability of getting head ==$\frac{136}{300}=\frac{34}{75}$

(ii) Probability of getting a tail ==$\frac{164}{300}=\frac{41}{75}$

#### Page No 283:

Total number of trials = 200
Number of times 2 heads are obtained = 58
Number of times one head is obtained  = 83
Number of times no head is obtained = 59

(i) Probability of getting 2 heads =  = $\frac{58}{200}=\frac{29}{100}$

(ii) Probability of getting 1 head = = $\frac{83}{200}$

(iii) Probability of getting 0 head =  = $\frac{59}{200}$

#### Page No 283:

Total number of trials = 100
Number of times 3 is obtained = 18
Number of times 6 is obtained = 9
Number of times 4 is obtained = 15
Number of times 1 is obtained =  21