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NIELIT 2022 Feb Scientist D - Section A: 15

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Find out the missing number :

$$\begin{array}{|c|c|c|}\hline 1 & 3 & 7 \\\hline 5 & 12 & 14 \\\hline 25 & ? & 28 \\\hline 125 & 192 & 56 \\\hline \end{array}$$

  1. 40
  2. 48
  3. 56
  4. 64

1 Answer

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First column entries :

  • $1*5=5$
  • $5*5=25$
  • $25*5=125$

Second column entries:

  • $3*4=12$
  • $12*4=48$
  • $48*4=192$

Third column entries:

  • $7*2=14$
  • $14*2=28$
  • $28*2=56$

Option (B) is correct here.

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