Target Exam

CUET

Subject

General Aptitude Test

Chapter

Quantitative Reasoning

Topic

Probability

Question:

Two unbiased coins are tossed. The probability of getting at least one head is:

Options:

1/4

3/4

1/2

1/3

Correct Answer:

3/4

Explanation:

The correct answer is Option (2) → 3/4

When two unbiased coins are tossed, the possible outcomes are:

HH, HT, TH, TT

Total outcomes = 4

“At least one head” occurs in:
HH, HT, TH → 3 outcomes

$\text{Probability} = \frac{3}{4}$