Medium Math Class 9 Level 8

When two coins are tossed not getting at least one head means both tails. What is its probability?

दो सिक्के उछालने पर कम से कम एक शीर्ष न आने का अर्थ दोनों पुच्छ है। इसकी प्रायिकता क्या है?

A 1/4 / 1/4 B 1/2 / 1/2 C 3/4 / 3/4 D 1 / 1
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Correct Answer

A. 1/4 / 1/4

Explanation

Among HH HT TH TT both tails occur only in TT so the probability is 1/4.

HH HT TH TT में दोनों पुच्छ केवल TT में आते हैं इसलिए प्रायिकता 1/4 है।

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