A) 49
B) 50
C) 60
D) 69
Correct Answer: D
Solution :
The sum of numbers at the extremities of the three line segments in each figure is same. In fig. (A), \[39+33=29+43=27+45=72\] In fig. (B), \[42+31=29+44=30+43=73\] Let the missing number in fig. (C) be\[x.\] Then, \[x+10=59+20=40+39=79\] or\[x=69.\]
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