10th Class Mathematics Probability Question Bank MCQs - Probability

Two different coins are tossed simultaneously. The probability of getting at least one tail is:

A) \[\frac{1}{4}\]

B) \[\frac{1}{8}\]

C) \[\frac{3}{4}\]

D) \[\frac{7}{8}\]

Correct Answer: C

Solution :

[c] Total possible outcomes are \[\{HH, HT, TH, TT\}\]i.e., 4 in number.

Favourable outcomes of getting at least one tail are \[\{HH, TH, TT\}\] i.e., 3 in number.

\[\therefore \] Required probability \[=3/4\]