There are several peacocks and deers in a cage (with no other types of animals). There are 72 heads and 200 feet inside the cage. How many peacocks are there, and how many deers ?
A) 42 & 24
B) 38 & 26
C) 36 & 24
D) 44 & 28
Answer: D) 44 & 28
Explanation:
Let x = peacocks y = deers
2x + 4y = 200 x + y = 72 y = 72 - x 2x + 288 - 4x = 200 x = 44 peacocks y = 28 deers
Assuming that the numbers in each of the following figures follow a similar pattern, select the option that can replace the question mark (?) in figure C.