Latest TCS Aptitude Question SOLUTION: A sealed envelope contains a card with a single digit written on it. Three of the following statements are true and one is false. I. The digit is 1. II. The digit is not 2. III

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(#M40023836) TCS HR Interview question Maths Keep an EYE

A sealed envelope contains a card with a single digit written on it. Three of the following statements are true and one is false.

I. The digit is 1.

II. The digit is not 2.

III. The digit is not 9.

IV. The digit is 8.

Which one of the following must necessarily be correct?

II is false

III is true

IV is false

The digit is even.

I is true

Asked In TCS ABHIJEET RANJAN (10 years ago)

Unsolved Read Solution (12)

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Read Solution (12) :

nikhil pande  (10 years ago)

III is true
since when 3 is wrong then there are 2 possibilities that 1 or 8
which is not possible

Is this solution Helpfull? Yes (23) | No (4)  

prarit jain  (10 years ago)

i think its dummy question not getting it

Is this solution Helpfull? Yes (8) | No (4)  

Tony nash  (10 years ago)

correct stmt is III is true ,bcoz if any of the II and III become false ,at any tym 3 stmts cant b true

Is this solution Helpfull? Yes (7) | No   

Naveen Pandey  (10 years ago)

IV is false

Is this solution Helpfull? Yes (3) | No (4)  

gaurav jain  (10 years ago)

the digit is one so (I is true)

Is this solution Helpfull? Yes (3) | No (4)  

Rimpy Tewani  (10 years ago)

III is true cuz 1 or 8 cant both be true at the same time

Is this solution Helpfull? Yes (2) | No (1)  

jigneshkoradiya  (10 years ago)

ans: IV is false

bcs:
when iv is false than only other 3 statement are true

Is this solution Helpfull? Yes (2) | No (2)  

AKASH BISWAS  (10 years ago)

the digit is even

Is this solution Helpfull? Yes (1) | No (2)  

Naveen Pandey  (10 years ago)

look the naswers are both 1 is true and 4 is false...so i guess its a dummy one

Is this solution Helpfull? Yes | No   

Shashank Shekhar  (10 years ago)

I is true
can be deduced easily

Is this solution Helpfull? Yes | No (2)  

nitesh kumar sharma  (10 years ago)

III is true

Is this solution Helpfull? Yes | No   

aravind g  (3 years ago)

The answer is III is true (The digit is not 9)

Consider the following scenario: ( Three of the following statements are true and one is false.)
If the digit is not 9 (True)
The digit is not 2.(True)
The digit is 8 (True)

so obviously The digit is 1(False)-

per the question

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