Question

When the great mathematician Ramanujam was in
the UK, he once left his suitcase in a cab. His friend
Hardy offered to help him trace the cab and called up
the transport service. Incidentally, Ramanujam could
not recollect the exact number of the cab but
remembered a peculiar fact about the cab number.
The number was a perfect square, and when read
upside down, still made a perfect square.
Hardy called the cab company, and they told them
that they had a flight of 400 cabs, numbered 001 to
450. Ramanujam, being a prodigy, immediately used
this information to figure out the cab he had traveled
in.
Can you guess what was the number on the cab that
Ramanujam had left his suitcase in?​

Answer 1

Answer:

196

Step-by-step explanation:

by observing the numbers from 001 to 450, we get to know 196 is a perfect square of 14 and it's upside down number 961 (read it 196 upside down)

so, Ramanujam left his suitcase in cab number 196

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