School Olympiads - International Mathematics Olympiad (IMO)

Number Sense, Roman Numerals & Large Numbers question bank (Class 5 & 6 - Mathematical Reasoning & Numbers)

Practice 4 free School Olympiads - International Mathematics Olympiad (IMO) Class 5 & 6 - Mathematical Reasoning & Numbers - Number Sense, Roman Numerals & Large Numbers questions with answers and step-by-step solutions.

Start free Book a demo

All Hard Medium

Q1.

In an Olympiad competition problem on Number Sense, Roman Numerals & Large Numbers:
Find the numerical value of $X$ satisfying $$X = (19 \times 8) - 13 + 7$$.

(A)

{'key': 'A', 'text': '146'}

(B)

{'key': 'B', 'text': '150'}

(C)

{'key': 'C', 'text': '142'}

(D)

{'key': 'D', 'text': '155'}

Show answer & solution

Verified Answer & Solution Locked

Q2.

In an Olympiad competition problem on Number Sense, Roman Numerals & Large Numbers:
Find the numerical value of $X$ satisfying $$X = (21 \times 7) - 28 + 19$$.

(A)

{'key': 'A', 'text': '138'}

(B)

{'key': 'B', 'text': '142'}

(C)

{'key': 'C', 'text': '134'}

(D)

{'key': 'D', 'text': '147'}

Show answer & solution

Verified Answer & Solution Locked

Sign up free to access all 2 questions

Unlock every Number Sense, Roman Numerals & Large Numbers question, generate papers, and practice at your own pace.

Start free