Gce Model Questions Vol1 2019 Further Mathematics Question 8

Practice objective / multiple choice question 8 from the 2019 Gce Model Questions Vol1 Further Mathematics examination.

Gce Model Questions Vol1 2019 Further Mathematics Objective / Multiple Choice Easy Difficulty
Question 8 GCE_MODEL_QUESTIONS_VOL1 • 2019 • FURTHER_MATHEMATICS • objective

On the set \(A=\{1,2,3,4\}\) define a binary operation \(*\) by \(a * b = (a+b)\bmod 5\), where a result of \(0\) is replaced by \(5\). Determine whether \(*\) has an identity element in \(A\), and compute \(3 * 4\).

Answer Options

A. Identity is 5; 2
B. No identity; 3
Correct Answer C. No identity; 2
D. No identity; 5
Correct Answer
C
Correct Option:
No identity; 2

About This Question

This is Gce Model Questions Vol1 2019 Further Mathematics Question 8. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Further Mathematics examination.

Difficulty level: Easy .

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