A) 0
B) 8
C) 2.5
D) 20
Correct Answer: C
Solution :
In fig. (i), \[4\times 2=8,8\times 2=16,16\times 2=32,32\times 2=64~~~~\]In fig. (ii), \[5\times 2=10,10\times 2=20,20\times 2=40,40\times 2=80\] In fig. (iii), \[5\times 2=10,10\times 2=20,20\times 2=40\] So, that ? \[\times 2=5\]or? \[=\frac{5}{2}=2.5\]
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