Question

On comparing 123.040560, 123.040506 and 123.040605, the smallest number is .

• A. $123.040560$
• B. $123.040506$
• C. $123.040605$

Answer 1

The correct option is B $123.040506$

By comparing the decimals, we see that till the thousandths place, the digits are same.

But the digit at the ten-thousandths place in $123.040605$ is larger than the digit at ten-thousandths place in $123.040506$ and $123.040560$.

Now, comparing the remaining two numbers we see that the digit in hundred-thousandths place is smaller in $123.040506$.

So, $123.040506$ is smaller than $123.040560$ and $123.040605$.