Question

in a train there are nine people each minding a bogie.each bogie has nine cows.each cow has nine calves .how many legs are there in the train



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Answer 1

there are seven legs in a train

Answer 2

Answer:

Total legs in train are=378 legs

Step-by-step explanation:

Given in a train there are nine people each minding a bogie. Each bogie has nine cows. Each cow has nine calves.  

we have to find number of legs in train.

As total 9 people each has 2 legs

∴ No. of legs of 9 people=18 legs

No. of legs of 9 cows=36 legs

Each bogie has nine cows and each cow has nine calves.

⇒ $\text{No. of legs are= }9\times 9\times 4=324 legs$

Hence, total legs in train are

=18+324+36=378 legs