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Question : What is the smallest perfect square number that is divisible by both 10 and 15?

Option 1: 1200

Option 2: 1800

Option 3: 360

Option 4: 900


Team Careers360 24th Jan, 2024
Answer (1)
Team Careers360 25th Jan, 2024

Correct Answer: 900


Solution : Given: The number is divisible by both 10 and 15.
Finding the lowest multiple of two or more numbers is done using the LCM method.
LCM of 10 and 15 = 30
The prime factors of 30 = 2 × 3 × 5
Make it a perfect square number,
30 × 2 × 3 × 5 = 900
Hence, the correct answer is 900.

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