question_answer

Find the missing number.

A)  3                                

B)  4                    

C)       10                  

D)       8        

Correct Answer: A

Solution :

In the 1st triangle   \[\Rightarrow \] (8 - 4) + 1 = 5 In the 2nd triangle,   \[\Rightarrow \] (6 - 2) + 2 = 6  Similarly, in 3rd triangle,  A \[\Rightarrow \] 7 - 1 = 6 and  6 + 3 = 9 Hence, the missing number is 3.