Delhi Police Constable Exam Model Paper 10

Question : 55 of 100

Marks: +1, -0

Find the Missing Number from the given figure:

Solution:

1^{st}

column,

(11 + 5) ÷ 2 = 8

3^{rd}

column,

(21 + 39) ÷ 2 = 30

Similarly, in

2^{nd}

column,

(12 + a) ÷ 2 = 18

a = 24
Hence, 24 is the correct answer

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