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Answer» Step-by-step explanation: BOX1: difference between first box and last box is 1 difference between last box and middle box is 1 box2:difference between first box and last box is 2 difference between last box and middle box is 3 box3:difference between first box and last box is 1 difference between last box and middle box is 5 MIDDLE BOX IS INCREMENTED 1,3,5 SO... 1 AND LAST BOX IS DIFFERENCE IS 1 even box is FOLLOWED BY SEQUENCE OF 2 ANS:7 |
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