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Option 4 : All are correct

People: P, Q, R, S, T and U.

Mobile: Nokia, Vivo, Oppo, Samsung, Apple and Jio (but not necessarily in the same order).

1) P does not have Apple mobile.

2) U does not have Oppo nor Vivo mobile.

3) T has a Nokia mobile.

4) R does not have Oppo nor Apple mobile.

People

Companies

P

Apple

Q

 

R

Oppo/Apple

S

 

T

Nokia

U

Oppo/Vivo

 

5) Q does not have Samsung nor Oppo mobile.

6) P does not have Oppo nor Jio mobile.

7) U does not have Jio nor Apple mobile.

(On combining point 5, 6 and 7 we find that U has Samsung mobile.)

People

Companies

P

Apple, Oppo, Jio

Q

Samsung, Oppo

R

Oppo, Apple

S

 

T

Nokia

U

Samsung

 

Final arrangement:

(Mobiles left for P, Q, R and S are Vivo, Apple, Jio and Oppo respectively.)

People

Companies

P

Vivo

Q

Apple

R

Jio

S

Oppo

T

Nokia

U

Samsung

 

Hence, all the given combinations are correct.

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