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Q.

Half of the deer herd is grazed in the field and the remaining three-quarters are playing nearby. The remaining nine are drinking water from the pond. The number of deer in the flock is:


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a

Question Image

b

Question Image

c

Question Image

d

Question Image 

answer is A.

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Detailed Solution

Concept: First, let's assume that the number of deer in the flock is Question ImageThen divide the number of deer in the herd by Question Image to find  half of the herd grazing in the field. Then  find the remaining  herd by subtracting half of the herd from the number of deer and taking Question Image. Play the other half th and get the acquisition value equal to 9 to find the value you need.
Let the total no of deer be Question ImageSo, we have
Question ImageThus, Question Image deer in the herd.
Hence, the answer is option 1.
 
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