7 + 3 =41O

9 + 6 = 315

2 + 1 =13

5 + 4 = ?

 

a. 1                       b. 19

c. 120                   d. 91

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dineshAptitude
7 + 3 =41O 9 + 6 = 315 2 + 1 =13 5 + 4 = ?   a. 1                       b. 19 c. 120                   d. 91