School Olympiads - International Mathematics Olympiad (IMO)

Permutations, Combinations & Probability Basics question bank (Class 9 & 10 - Advanced Olympiad Problem Solving)

Practice 4 free School Olympiads - International Mathematics Olympiad (IMO) Class 9 & 10 - Advanced Olympiad Problem Solving - Permutations, Combinations & Probability Basics questions with answers and step-by-step solutions.

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Q1.

In an Olympiad competition problem on Permutations, Combinations & Probability Basics:
Find the numerical value of $X$ satisfying $$X = (24 \times 8) - 18 + 4$$.

(A)

{'key': 'A', 'text': '178'}

(B)

{'key': 'B', 'text': '182'}

(C)

{'key': 'C', 'text': '174'}

(D)

{'key': 'D', 'text': '187'}

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Q2.

In an Olympiad competition problem on Permutations, Combinations & Probability Basics:
Find the numerical value of $X$ satisfying $$X = (20 \times 5) - 13 + 10$$.

(A)

{'key': 'A', 'text': '97'}

(B)

{'key': 'B', 'text': '101'}

(C)

{'key': 'C', 'text': '93'}

(D)

{'key': 'D', 'text': '106'}

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