A person has certain number of cows and birds.They have 172 eyes and 344 legs.How many cows does he have?

1. A person has certain number of cows and birds.They have 172 eyes and 344 legs.How many cows does he have?

[BKB Senior Officer-2012 : 2012]

1. 86

2. 82

3. 100

4. 76

Answer

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