In a group of cows and hens, the number of legs are $14$ more than twice the number of heads. The number of cows is

5

No worries! We‘ve got your back. Try BYJU‘S free classes today!

7

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

10

No worries! We‘ve got your back. Try BYJU‘S free classes today!

12

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $7$
Let the number of cows be $x$ and the number of hens be $y$ .
Then, $4 x + 2 y = 2 (x + y) + 14 \Leftrightarrow 4 x + 2 y = 2 x + 2 y + 14 \Leftrightarrow 2 x = 14 \Leftrightarrow x = 7$ .

Suggest Corrections

Similar questions

14

Q23. In a group of cows and chickens, the number of legs was 14 more than twice the number of heads. The number of cows was:

Join BYJU'S Learning Program