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A number leaves remainder (11) when divided by (32), (48), and (72). Which is the smallest such number?

Answer and explanation

Correct answer: (299)

Step 1: After subtracting (11), the number must be divisible by all three numbers. Step 2: (32=2^5), (48=2^4\times3), and (72=2^3\times3^2), so LCM (=2^5\times3^2=288). Hence the number is (288+11=299). Step 3: Add the common remainder at the end.

Related tags

Real-NumbersLcmRemainderHcf And Lcm Using Prime FactorisationHcf Lcm Using Prime FactorisationReal NumbersMathematicsClass 10 Mcq

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