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Q:

Explain the concept of the Distributed systems?

Answer

Distributed systems work in a network. They can share the network resources,communicate with each other.

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Subject: Operating Systems

Q:

Where did Yuvaraj Singh make his ODI debut

A) Nairobi, Kenya	B) Mumbai, India
C) London England	D) Lahore, Pakistan

Answer & Explanation Answer: A) Nairobi, Kenya

Explanation:

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Filed Under: Sports

Q:

A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest?

A) 3.46%	B) 4.5%
C) 5%	D) 6%

Answer & Explanation Answer: A) 3.46%

Explanation:

Let the original rate be R%. Then, new rate = (2R)%.

Note: Here, original rate is for 1 year(s); the new rate is for only 4 months i.e.1/3 year(s).

$(\frac{725 * R * 1}{100}) + (\frac{362.50 * 2 R * 1}{100 * 3}) = 33.50$

=> (2175 + 725) R = 33.50 x 100 x 3

=> (2175 + 725) R = 10050

=> (2900)R = 10050

=> $R = \frac{10050}{2900} = 3.46$

Original rate = 3.46%

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Filed Under: Simple Interest
Exam Prep: GRE

Q:

An automobile financier claims to be lending money at simple interest, but he includesthe interest every six months for calculating the principal. If he is charging an interest of10%, the effective rate of interest becomes:

A) 10%	B) 10.25%
C) 10.5%	D) none of these

Answer & Explanation Answer: B) 10.25%

Explanation:

Let the sum be Rs. 100. Then,

S.I. for first 6 months = Rs.[ (100 x 10 x 1)/(100 x 2) ]= Rs.5

S.I. for last 6 months =Rs.[(102 x 10 x 1)/(100 x 2) ] = Rs.5.25

So, amount at the end of 1 year = Rs. (100 + 5 + 5.25) = Rs. 110.25

Effective rate = (110.25 - 100) = 10.25%

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Filed Under: Simple Interest
Exam Prep: GRE

Q:

Should there be restriction on the migration of people from one state to another state in India?

Arguments:

1. No. Any Indian citizen has the right to live at any place of his/her own choice. They can't be stopped

2. Yes. This is the way to effect an equitable distribution of resources across the states in India

A) Only 1 is true	B) Only 2 is true
C) Either 1 or 2 is true	D) Neither 1 nor 2 is true

Answer & Explanation Answer: A) Only 1 is true

Explanation:

clearly argument 1 holds strong,while argument 2 is vague

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Filed Under: Statement and Arguments

Q:

Why the temporary registers W and Z are named so i mean we start from A, B, C, D, E then H and L coz H stands for higher bit and L for lower bit of the address pinted by memory pointer.. but wats W and Z for?

Answer

As W and Z alphabets are not widely used similarly as W and Z is internally used they would have been named so

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Subject: Hardware

Q:

In Arun's opinion, his weight is greater than 65 kg but leas than 72 kg. His brother does not agree with Arun and he thinks that Arun's weight is greater than 60 kg but less than 70 kg. His mother's view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimation, what is the average of diferent probable weights of Arun ?

A) 55.5 kg	B) 66.5 kg
C) 77.5 kg	D) 88.5 kg

Answer & Explanation Answer: B) 66.5 kg

Explanation:

Let Arun's weight be X kg.

According to Arun, 65 < X < 72.

According to Arun's brother, 60 < X < 70.

According to Arun's mother, X < 68.

The values satisfying all the above conditions are 66 and 67.

Required average = (66 + 67) / 2 = 66.5 kg

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Filed Under: Average

Q:

In a certain code language, '297' means 'tie clip button'. Which number means 'button' ?

I. In that language '926' means 'clip your tie'.

II. In that language '175' means 'hole and button'.

A) If the data in statement I alone are sufficient to answer the question	B) If the data in statement II alone are sufficient answer the question
C) If the data either in I or II alone are sufficient to answer the question;	D) If the data even in both the statements together are not sufficient to answer the question

Answer & Explanation Answer: C) If the data either in I or II alone are sufficient to answer the question;

Explanation:

Comparing the information in the question with statement 1. we find that '2' and '9' are the codes for 'tie' and 'dip'. So, '7' represents 'button'.

Thus, I alone iS sufficient.

Again, comparing the information in the question with II, WO find that the common code number '7' stands for the common word 'button'.

Thus, II alone also is sufficient.

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Filed Under: Data Sufficiency

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