Logical Reasoning - Logical Problems - Discussion

Each problem consists of three statements. Based on the first two statements, the third statement may be true, false, or uncertain.


On the day the Barton triplets are born,
Jenna weighs more than Jason.
Jason weighs less than Jasmine.
Of the three babies, Jasmine weighs the most.
If the first two statements are true, the third statement is

[A]. true
[B]. false
[C]. uncertain

Answer: Option C


We only know that Jasmine weighs more than Jason. There is no way to tell whether Jasmine also weighs more than Jenna.

Hardik Diyora said: (Sep 15, 2012)  
There is specifies Jasmine weighs the most.
so jasmine>jenna>jason

Shouanna said: (Jan 5, 2014)  
Its uncertain because, we know that Jenna weighs more than Jason, so Jason is light here. And we also know that he is also lighter than Jasmine. Since the weight of neither Jasmine or Jenna is determined, and they both weigh more than Jason, and the question did not compare them, we won't know if Jenna or Jasmine weighs more.

Bunti said: (Feb 7, 2014)  
Can anyone explain. Why can't we use "false" here?

Ganesh H said: (Apr 6, 2014)  
It is uncertain because if Jason weights 3 then jenna can weigh 4 or 5 viz more than jason (STMT1). And similarly jasmin can also weigh 4 or 5 viz. More than Jason. (STMT2). Hence Jason and jenna can either weigh 4 or 5. Hence uncertain.

Danny said: (Apr 18, 2014)  
Jenna weighs more than Jason.
Jason weighs less than Jasmine.

Here jenna and jasmine both weight more than jason, but we don't know the weight of any. So it is uncertain.

Sanju said: (Aug 13, 2014)  
Like, I normally take 30-45 sec, s to solve these problems and till now not a single went wrong. So can someone tell me whether I'm going good enough or do I need to improve more?

Gireesh said: (Dec 7, 2016)  
You are absolutely correct @Shouanna.

Manish Omar said: (Oct 11, 2017)  
This line clear " Of the three babies, Jasmine weighs the most".

That the jasmine >jenna>jason.

Jaydeep said: (Jul 31, 2018)  
@Manish Omar.

What about the third statement?

Sanjana said: (Aug 15, 2019)  
So what I say is make sure before you ans that the first 2 statements are true before applying Ur logic so that ur thought process will not go wrong.

Gunjan said: (Sep 4, 2020)  
I think the answer would be false, as per the question: first come Jeena, jasmine, Jason.

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