Question

and 30
are
fastened
quo belecks of masses 10
g
to the ends of a cord which passes our
frictionless bulley The 100
bleck rests on the
tible. Whet minimumफोर्स मस्ट बे अप्लाइड सुंदर 10 ग्राम ब्लॉक टू कीप इट ऑन द टेबल व्हाट विल बी द टेंशन इन द कार अंडर द कंडीशन व्हाट विल बी द एक्सप्रेशन ऑफ द सिस्टम एंड रिटेंशन इन द कॉसेस विद्रोह ​

Answer 1

Given :- In the barn there are a number of chickens and goats. If the number of legs is 214, and the barn can accommodate 75 animals.

To Find :- Number of chicken in the barn

Solution :-

Let the number of goats be

And the number of chicken be

Now, According to the given condition,

On multiply the equation (i) by 2, we get

According to the given condition,

On subtracting equation (ii) from equation (iii), we get

Putting the value of

in equation (i), we get

Hence, the number of chicken in the barn = 43.

Hence, the final answer is option (d) 43.