• Call Us : 03082533000 (WhatsApp)
  • Email Us : TestPointpk.com@gmail.com
Testpoint Whatsapp group Testpoint Whatsapp group
Sticky Note
Four logicians (A, B, C, and D) have fixed identities: two always tell the truth, and two always lie. You ask A: "Is B a liar?" A whispers. You ask B: "What did A just say?" B replies: "A said that C is a liar." D immediately says: "Do not believe him, B is lying!" Based strictly on this information, which statement can be deduced with absolute certainty?
  1. B and D have opposite identities
  2. A is a truth-teller
  3. D is a truth-teller
  4. None of these
Explanation

D's statement directly concerns whether B is lying.

If D tells the truth, B lies; if D lies, B tells the truth.

Therefore, B and D must have opposite identities.


Verified & Updated

Related MCQs

A city government planted thousands of trees to improve air quality and reduce summer temperatures. After a few years, residents noticed cooler streets and cleaner parks. However, some trees began to die because they were overwatered. What does this paragraph imply?
ایک شہر کی حکومت نے ہوا کو صاف کرنے اور گرمی کم کرنے کے لیے ہزاروں درخت لگائے۔ چند سال بعد سڑکیں ٹھنڈی اور پارک صاف نظر آنے لگے، لیکن کچھ درخت زیادہ پانی دینے کی وجہ سے مرنے لگے۔ اس پیراگراف سے کیا نتیجہ اخذ ہوتا ہے؟
  1. Overwatering harmed tree species that required less water.
  2. Planting trees always reduces rainfall.
  3. Trees cannot survive in cities.
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Six investigators A, B, C, D, E, and F are sitting around a circular table facing the center. A is second to the right of B. C is opposite A. D is second to the left of C. E is opposite B. Where is F sitting?
  1. Between C and D
  2. Opposite D
  3. Between B and A
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
If a cat is called goat, a goat is called cow, a cow is called lion, and a lion is called tiger, then according to this code language, which animal will make the "meow" sound?
  1. Goat
  2. Cow
  3. Lion
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
A bus starts with 34 passengers. At the first stop, 8 passengers get off and 16 passengers get on. At the next stop, half of the passengers get off. How many passengers remain on the bus?
  1. 21
  2. 22
  3. 23
  4. None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Which statement is more appropriate? Excessive sugar intake increases the risk of developing type 2 diabetes., Sugar intake is not good because it causes diabetes., Sugar was rare in the past, so it is not good., Sugar should never be consumed.
کون سا بیان زیادہ مناسب ہے؟
  1. Excessive sugar intake increases the risk of developing type 2 diabetes.
  2. Sugar intake is not good because it causes diabetes.
  3. Sugar was rare in the past, so it is not good.
  4. Sugar should never be consumed.
اس سوال کو وضاحت کے ساتھ پڑھیں
Test Point Whatsapp Channel

All Rights Reserved © TestPointpk.com