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Two coins are tossed simultaneously. Find the probability of getting two heads.

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Question

Two coins are tossed simultaneously. Find the probability of getting two heads.

Sum
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Solution

Given: Two fair coins are tossed simultaneously. Sample space S = {HH, HT, TH, TT} 4 equally likely outcomes.

Step-wise calculation:

1. Favorable outcomes = {HH} → count = 1.

2. Total outcomes = 4.

3. Probability = `"Favorable"/"Total" = 1/4`.

P(two heads) = `1/4`.

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Chapter 22: Probability - Exercise 22A [Page 505]

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Nootan Mathematics [English] Class 10 ICSE
Chapter 22 Probability
Exercise 22A | Q 1. (i) | Page 505
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