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    				| 1. | Find the missing number(s) : 69158122046?(A) 5 (B) 10 (C) 15 (D) 231 | 
| Answer» In the first row, 6 + 9 = 15 In the second row, 8 + 12 = 20 ∴ In the third row, missing number = 4 + 6 = 10. | |