Question

Find the smallest number which is exactly divisible by 18,10 and 15 when 13 is added to it.​

Answer 1

Answer:

15is the smallest in number

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

The numbers are 12, 14 and 18.

To Find: The smallest number which when added to 5 is exactly divisible by given numbers.

Step 1 of 3

Instruction Draw the division table of 12, 14 and 18.

Calculation

2312,14,186,7,92,7,3



Step 2 of 3

Instruction Multiple all the factors and the remainder terms to calculate the LCM.

Calculation

2×3×2×7×3=252



The LCM is 252.

Step 3 of 3

Instruction Subtract 5 from the LCM to find the required number.

Calculation

252−5=247