Thirty-one crores, fifty-five lakhs, thirty-two thousand, eight hundred is the standard number, and its decimal equivalent is .

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31,55,32,800

3,01,55,32,800

3,15,05,32,800

3,15,53,02,800

answer is A.

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Detailed Solution

Concept- We must use the given number in words to convert the numbers to figures using the rule of ones, tens, hundreds, etc. in order to solve this problem correctly.
Thirty-one crores, fifty-five lakhs, thirty two thousand, eight hundred is the given number in words.
As eight hundreds is the final digit, 800 will be the final digit.
0 at the one, ten, and one hundredth places, and 8 at the last.
When we look at the numbers following the hundredth place, we see that there are thirty-two thousands, therefore at the thousandth and ten thousandth places, there will be two and three, respectively.
There will be 5 at both the lakh and ten lakh places because there are fifty-five lakhs after the thousandth position.
Thirty one crore seats follow ten lakh, so at crore there will be one and at 10 crore three.
The information above reveals that the required number is 31,55,32,800.
Hence, option 1 is correct.

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