RRB Non Technical Model Papers 7 with solutions

Question : 32 of 100

Marks: +1, -0

12 cows together eat 756 kg of grass in 7 days. How much grass will be eaten by 15 cows in 10 days ?

Solution:

(3) Let x grass will be eaten by 15 cows in 10 days
So,

{12× 7}/756={ 10× 15}/x

⇒1/9=150/x

∴ x = 1350 kg

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