Q:

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?

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.

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Subject: Logic Puzzles

17 4857

Q:

Which among the following is not aprocess state in unix?

A) Running	B) Runnable
C) Zombie	D) Stopped

Answer & Explanation Answer: B) Runnable

Explanation:

The process states of unix are running,Zombie,stopped,Waiting.

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Filed Under: Operating Systems
Exam Prep: GATE

7 4856

Q:

Losoong is a festival which is celebrated in

A) Arunachal Pradesh	B) Sikkim
C) Kerala	D) Madhya Pradesh

Answer & Explanation Answer: B) Sikkim

Explanation:

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Filed Under: Indian Culture

77 4856

Q:

Arjuna Award was introduced in _____ ?

A) 1971	B) 1961
C) 1951	D) 1987

Answer & Explanation Answer: B) 1961

Explanation:

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Filed Under: Honours and Awards
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Bank Clerk , Bank PO

8 4855

Q:

The second Five Year plan was based on

A) Mahalanobis Model	B) Vakil and Brahmananda's Wage -Goods Model
C) Harrod - Domar Growth Model	D) Solow Growth Model

Answer & Explanation Answer: A) Mahalanobis Model

Explanation:

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Filed Under: Indian Economy

4 4853

Q:

The act of violating the sanctity of the church is called Sacrilege.

A) TRUE

B) FALSE

Answer & Explanation Answer: A) TRUE

Explanation:

The act of violating or misuse of what is regarded as sacred i.e, like the sanctity of the church is called Sacrilege.

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Subject: English
Exam Prep: AIEEE , Bank Exams , CAT , GRE , TOEFL
Job Role: Analyst , Bank Clerk , Bank PO

4 4853

Q:

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?

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.

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Subject: Logic Puzzles

18 4849

Q:

Which one of the following orders presents the correct sequence of the increasing basic nature of the given oxides?

(1) $K_{2} O < N a_{2} O < A l_{2} O_{3} < M g O$

(2) $A l_{2} O_{3} < M g O < N a_{2} O < K_{2} O$

(3) $M g O < K_{2} O < A l_{2} O_{3} < N a_{2} O$

(4) $N a_{2} O < K_{2} O < M g O < A l_{2} O_{3}$

A) Option 1	B) Option 2
C) Option 3	D) Option 4

Answer & Explanation Answer: B) Option 2

Explanation:

While moving from left to right in periodic table basic character of oxide of elements will decrease.

$∴ \to_{I n c r e a \sin g b a s i c s t r e n g t h}^{A l_{2} O_{3} < M g O < N a_{2} O}$

and while descending in the group basic character of corresponding oxides increases.

$∴ \to_{I n c r e a \sin g b a s i c s t r e n g t h}^{N a_{2} O < K_{2} O}$

$∴ C o r r e c t O r d e r i s A l_{2} O_{3} < M g O < N a_{2} O < K_{2} O$

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Filed Under: Chemistry
Exam Prep: AIEEE

14 4847

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