If A + B means A is the brother of B; A × B means A is the father of B and A - B means A is the sister of B, which of the following relations shows that I is the niece of K ?

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UP Police Constable Re-Exam 2024 Official Paper (Held On: 25 Aug, 2024 Shift 2)
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  1. K + Y × I - Z
  2. Z - I × Y + K
  3. K × Y + I - Z
  4. K + Y + Z - I

Answer (Detailed Solution Below)

Option 1 : K + Y × I - Z
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Detailed Solution

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Common Diagram 28.01.2020 D3

Decoding the Symbols:

A is

Symbol

+

×

-

Meaning

Brother

Father

Sister

to B

Now, checking options one by one:

  • Option - (1): K + Y × I - Z → K is the brother of Y who is the father of I who is the sister of Z.

qImage66d09416ed3e663ea085d031

Here, I is the niece of K.

  • Option - (2): Z - I × Y + K → Z is the sister of I who is the father of Y who is the brother of K.

qImage66d09416ed3e663ea085d03f

Here, I is the father of K.

  • Option - (3): K × Y + I - Z → K is the father of Y who is the brother of I who is the sister of Z.

qImage66d09416ed3e663ea085d041

Here, I is the daughter of K.

  • Option - (4): K + Y + Z - I → K is the brother of Y who is the brother of Z who is the sister of I.

qImage66d09417ed3e663ea085d044

Here, I is the sibling of K.

So, out of all the options 'K + Y × I - Z' is the only possible case that represents I as the niece of K.

Hence, the correct answer is "Option - (1)".

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