Fill in the blank with correct option. 12 20 28 18 30 42 27 ? 63

SSE JE Electrical Engineering 10 Dec 2020 Papers

Question : 9 of 200

Marks: +1, -0

Fill in the blank with correct option.

Solution:

In row :

(\text "First + Third")/ 2 = \Second

(12 + 28) / 2 = 40/2 = 20

(18 + 42) / 2 = 60/2 = 30

Similarly,
Missing Number

= (27 + 63) / 2

= 90/2 = 45

Hence, "45" is the correct answer.

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