#probability-complementMCQ

Complementary Event

Practice Focus level Class 10 math MCQ on complementary event with answer, solution, FAQ, and exam-focused revision.

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If $P (E) = 0.35$ , then $P(\text{not }E)$ is:

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FAQ

What is the complement rule in probability?

$P(E) + P(\text{not }E) = 1$ .

Start with the question, try the answer once, then open the solution. Use the FAQ to clear the common confusion before moving to the next tag.

Common mistake: Students sometimes add instead of subtracting from 1.

Practice a Focus level Class 10 math MCQ on complementary event with answer and clear solution.