Question

Refer to the question above ​

Answer 1

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