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12. In a bag there are three tickets numbered 1,2,3 .A ticket is drawn at random and put back and this is done 4 times. The prob that sum of numbers is even is |
| Answer» 12. In a bag there are three tickets numbered 1,2,3 .A ticket is drawn at random and put back and this is done 4 times. The prob that sum of numbers is even is | |