A) 75
B) 26
C) 25
D) 20
Correct Answer: B
Solution :
The lower number is obtained by adding the square of the upper two numbers. Thus, In fig. (A), \[{{2}^{2}}+{{4}^{2}}=20\] In fig. (B), \[{{3}^{2}}+{{9}^{2}}=90\] \[\therefore \] In fig. (C), missing number \[{{1}^{2}}+{{5}^{2}}=26\]
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