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A number (N) leaves remainder (0) when divided by (36), (54), and (90). What is the smallest possible value of (N)?

Answer and explanation

Correct answer: (540)

Step 1: Remainder (0) means the number is exactly divisible by all three numbers. Step 2: (36=2^2\times3^2), (54=2\times3^3), and (90=2\times3^2\times5), so LCM (=2^2\times3^3\times5=540). Step 3: The smallest possible value is always the LCM.

Related tags

Real-NumbersLcmRemainder-ZeroHcf And Lcm Using Prime FactorisationHcf Lcm Using Prime FactorisationReal NumbersMathematicsClass 10 Mcq

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