If 30 is divided by 7, the result is 4 with a remainder of 2. Which of the following expressions represents the remainder?

Correct answer marked below

A

30/7 - 4

B

30/7 + 4

30 - 7*4

Correct

D

30*7 - 4

E

30(7 - 4)

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Explanation

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Official Explanation

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When we divide 30 by 7, we can express it as

\frac{30}{7}=4+\frac{2}{7}

. From this, we can derive that

\frac{2}{7}=\frac{30}{7}-4

. Additionally,…

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Comments

2

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A

AndreaJan 19, 2025

This is definitely a test-day trap

A

AlunaApr 15, 2025

Can you explain more?

What this question tests

Your understanding of divisibility rules, least common multiples, and greatest common factors.

Forgetting that 1 is not prime and that every integer divides 0.

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