Postal or Sorting Assistants Model Paper 5 With Solutions

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Question : 50 of 100

Marks: +1, -0

Find out the missing number in the following :

2	72	56
?	0	42
12	20	30

4
6
8
10

Solution:

$2^2—2 = 2$	$9^2 - 9 =72$	$8^2-8=56$
$3^2 —3 = 6$	$1^2-1 = 0$	$7^2—7 = 42$
$4^2 - 4 = 12$	$5^2—5 = 20$	$6^2 — 6 = 30$

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