Q:

The composition of electrician solder is

A) lead-37%, tin-63%	B) Iron-37%, tin-63%
C) lead-37%, Steel-63%	D) Steel-37%, copper-63%

Answer & Explanation Answer: A) lead-37%, tin-63%

Explanation:

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Filed Under: Physics
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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6 4909

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 4909

Q:

The worst affected state of India, by the menace of sea erosion is ________

A) Kerala	B) Orissa
C) Gujarat	D) Andhra Pradesh

Answer & Explanation Answer: A) Kerala

Explanation:

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Filed Under: Indian Geography

10 4908

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 4907

Q:

Who was the first ruler to consolidate the slavic tribes?

A) Alter Ego	B) Rurik
C) John Adams	D) None of the above

Answer & Explanation Answer: B) Rurik

Explanation:

In the history, Rurik was believed to be the first ruler to consolidate the slavic tribes. He was a Russian leader in the 9th century.

who_was_the_first_ruler_to_consolidate_the_slavic_tribes1552454728.jpg image

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Filed Under: World History
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1 4905

Q:

Who wrote the book ' The Prince '

A) V.S.Sharma	B) Bernard Shaw
C) Emile Zola	D) Niccolo Machiavelli

Answer & Explanation Answer: D) Niccolo Machiavelli

Explanation:

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Filed Under: Books and Authors

1 4904

Q:

Which of the following statements about ddntps is true?

A) They have a hydrogen at the 3’ carbon of the sugar.	B) DNA polymerase can add a new dNTP to a 3’ ddNTP.
C) They have a free 3’-hydroxyl group on the ribose sugar.	D) They have an oxygen at the 2’ carbon of the ribose sugar.

Answer & Explanation Answer: A) They have a hydrogen at the 3’ carbon of the sugar.

Explanation:

ddNTPs - Dideoxynucleotides and abbreviated as ddNTPs.

They are chain-elongating inhibitors of DNA polymerase, used in the Sanger method for DNA sequencing.

They have a hydrogen at the 3’ carbon of the ribose sugar.

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Filed Under: Biology
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3 4903

Q:

Who was the first black tennis player to win a Wimbledon title

A) Steffi Bucher	B) Gegata Sen
C) Althea Gibson	D) Sucheta Kriplani

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