Can you tell what was the bus number?

Question

Jay was an old friend of Rakesh and was coming to visit him from a small town. Jay came over late. When Rakesh asked him the reason, Jay told him that when he was coming to the city in the bus, he had placed his luggage under his seat. While getting off, he had forgotten to take back the luggage and by the time he had realized, the bus had left. So he went to a police station to report about it, which took him time. Rakesh inquired what happened next, to which Jay replied that he does not remember the bus number but there was a certain peculiarity about it – the bus number was a perfect square and when turned upside down, then it was also a perfect square! Jay requested his friend Rakesh to help him.
Rakesh quickly phoned the bus company and came to know they had only 500 buses numbered from 1 to 500. Using this information, Rakesh deduced the bus number within a minute.
Can you tell what was the bus number?

Answer 1

Ans is 121it is a perfect square of 11

Comments

The answer is 169=13x13
Upside down =196=14x14

Answer 2

The answer is 196.
196 = 14×14
961 = 31×31

Comments

Sir as bus numbers are 1 to 500 only so 691 is not possible

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I said 196 was the answer, not 691.  691 was my mistake of 961.
When 196 turned upside down, it is 961. Excuse  my poor English.

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Sir
First of all thanks for your response/healthy discussion.
Secondly you don't worry about your english.
You can write in hinglish means hindi in english.

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Sir
The answer is 169=13x13
Upside down =196=14x14