Logic Puzzles problems
- 1. Logical puzzle There are only two barbers in town. One of them has a nice, neatly trimmed head of hair. The other one's hair is a complete mess.Which of the two barbers should you go to and why? Discuss
Correct Answer: The one with messy hair, as they cut the neat barber's hair
- 2. If Theresa's daughter is my daughter's mother, what am I to Theresa?
Options- A. Son-in-law
- B. Daughter-in-law
- C. Grand mother
- D. Grand Daughter Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, TOEFL, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: Son-in-law
Explanation:
Given that If Theresa's daughter is my daughter's mother
It has 2 ways of Answers such that it depends on the sex of me. That is Male or Female.
1) If I am a Male :
My daughter's mother is my wife.
My wife is Teresa's daughter
=> I am Teresa's Son-in-law.
2) If I am a Female :
My daughter's mother is myself.
Myself Teresa's daughter.
=> I am Teresa's Daughter.
But in the given options only Son-in-law is available and daughter is not given.
So, Son-in-law is correct.
- 3. An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?
Options- A. 2
- B. 4
- C. 8
- D. 1 Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, Analyst, Bank Clerk, Bank PO
Correct Answer: 1
Explanation:
Given total number of the cubicles = 8
Given that only 1/8 of the cubicle is painted
Then of the total 8 cubicles, 1/8 is
1/8 x 1 = 1 cubicle.
- 4. Logical puzzle At a restaurant, how could you choose one out of three desserts with equal probability with the help of a coin? What if the coin is biased and the bias is unknown? Discuss
Correct Answer: Our solution: Toss the coin twice Let TH, HT and TT correspond to the three choices And if you get HH, just repeat (so it takes 8/3 tosses on average) BIASED COIN If the coin was biased, TH and HT would occur with equal probability So you could assign THHT, HTTH and THTH to the three choices, with other 4-toss outcomes rejected Or you could assign HTT, THT and TTH to the three choices, with other 3-toss outcomes rejected
- 5. 6 B in an O? Also asked in: Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: The given letter equation 6 B in an O refers to 6 Balls in an Over
- 6. Logical puzzle A boy and a girl are talking. "I am a boy" - said the child with black hair. "I am a girl" - said the child with white hair. At least one of them lied. Who is the boy and who is the girl? Discuss
Correct Answer: Our Solution: They both lied The child with the black hair is the girl, and the child with the white hair is the boy (If only one lied they would both be boys or both be girls)
- 7. Logical puzzle You want to send a secret message to your friend Alex in the mail. But Sam, who you don't trust, has access to all your mail. So you put your message in a box with a lock. But you are not allowed to send a key! How can you get your message through securely? Discuss
Correct Answer: - Send the box with the lock to Alex - Alex can't open it, but can put another lock on the box - Alex sends this box with the 2 locks back to you, you unlock your lock and send it back to Alex again - So there is just Alex's lock on the box and Alex can now open it
- 8. 18 H on GC? Also asked in: Bank PO, Bank Clerk, Analyst
Correct Answer: The given letters equation states that 18 H on a GC means 18 Holes on a Golf Course
- 9. 19 C in a CB Also asked in: Analyst, Bank Clerk, Bank PO
Correct Answer: 19 C in a CB means 19 Coins in a Carrom Board We have 9 white coins, 9 black coins and one red coin in a carrom board
- 10. 'Brothers and sisters, I have none. But that man's father is my father's son'. How I and that man are related respectively?
Options- A. Father & Son
- B. Brothers
- C. Son & Father
- D. Nephews Also asked in: AIEEE, Bank Exams, CAT, GATE, GRE, Analyst, Bank Clerk, Bank PO, Database Administrator, IT Trainer
Correct Answer: Father & Son
Explanation:
Given that man's father is my father's son => Me because i have no brothers
=> Mans father is me.
Hence, that man is my Son.
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