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Number System practice problem - 1 (in Hindi)
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Number System practice problem - 1 (in Hindi)

Bharat Gupta is teaching live on Unacademy Plus

Bharat Gupta
Engineer by degree Mathematician by Heart. Having 22 years of teaching experience. More than 20000 students selected.

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U
Unacademy user
in last question,if the number reversed the last digit is 9. that means the original number should have 9 at hundreds place, which is not possible because the range is 300-700.
in last question what does it mean that the number formed by reversing the digits of N is 9