Question

Out of the given decimal numbers, which one is the greatest: 2.10242, 2.10422, 2.10224 and 2.10424?

• A. 2.10422
• B. 2.10242
• C. 2.10424
• D. 2.10224

Answer 1

The correct option is C

2.10424

When we compare the given numbers we find that:

2.10224 < 2.10242 < 2.10422 < 2.10424

In all the given decimal place, all the numbers are the same till one hundredth.

For 2.10224 ---- One Thousandth place is 2.

In 2.10242 -------- One Thousandth place is 2.

In 2.10422 ----- One Thousandth place is 4.

In 2.10424 ------- One thousandth place is 4.

Comparing the ten-thousandth place of 2.10422 and 2.10424, both the decimal has 2 in the ten thousandth's place.

Hence, by comparing the hundred-thousandth's place, in 2.10422 we have 2 and in 2.10424 we have 4.

$\therefore$ The greatest number is : 2.10424.