Select the option that will correctly replace the question mark (?) and complete the series. 

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This question was previously asked in
DSSSB PGT Chemistry (Female) Official Paper (Held On: 06 Jul, 2018 Shift 1)
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  1. 51
  2. 56
  3. 53
  4. 67

Answer (Detailed Solution Below)

Option 3 : 53
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Detailed Solution

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The logic followed here is:

Logic: Square of the sum of upper number = lower number.

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→ 42 + 52  = 41

= 16 + 25 = 41.

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→ 32 + 62  = 45

= 9 + 36 = 45.

Similarly,

qImage6864d4e1dcc78acd96e2308d

→ 22 + 72  = ?

= 4 + 49 = 53.

Hence, the correct answer is "Option 3".

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