If the given matrix follows a certain rule row-wise or column-wise, then find the missing number.
(NCO 2014)
  
 
A272
B181
C77
D50
Solution pls
Ans 2:
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Ans 4:
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Class : Class 5 
                                                                                                
                                                                                                Answer is A. THIS WAS A REALLY NICE AND HARD QUESTION. Logic------Rule is column-wise that is vertically. Add the first two numbers and then multiply by four. Example- 12 13=25, 25*4=100 Same for- 8 15=23, 23*4=92 So- 16 52=68, 68*4=272
                                                                                            
                                                                                            Ans 8:
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Class : Class 9 
                                                                                                
                                                                                                Answer is A. THIS WAS A REALLY NICE AND HARD QUESTION.   
Logic------Rule is column-wise that is vertically. Add the first two numbers and then multiply by four. Example- 12+13=25,  25*4=100
Same for- 8+15=23,  23*4=92
So- 16+52=68, 68*4=272
                                                                                            
                                                                                             
             
             
        