JSCE Mathematics 2024 Objective — Question 60
Question 60 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.
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What is the LCM of these index numbers; 2^2 x 3^3 x 5^2, 2^2 x 3^2 x 5 x 7 and 2^4 x 3 x 5^2
- A. 2^4 x 3^3 x 5 x 7Correct
- B. 2^3 x 3^3 x 5 x 7
- C. 2^2 x 3^2 x 5 x 7
- D. 2^2 x 3^2 x 5^2 x 7
Explanation
The LCM takes the highest power of each prime: 2^4, 3^3, 5^2, 7. A is the closest printed option, although it shows 5 instead of 5^2.
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