Questions

Q:

Swap two variables without using third variable.

Answer

#include<stdio.h>
int main(){
    int a=5,b=10;
    a=b+a;
    b=a-b;
    a=a-b;
    printf("a= %d  b=  %d",a,b);
}

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Subject: Programming

0 2036
Q:

What is mutex?

Answer

Mutex is a program object that allows multiple program threads to share the same resource, such as file access, but not simultaneously. When a program is started a mutex is created woth a unique name. After this stage, any thread that needs the resource must lock the mutex from other threads while it is using the resource. the mutex is set to unlock when the data is no longer needed or the routine is finished.

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1 2036
Q:

Who was the Emperor of Russia during Russia revolution ?

A) Nicholas I B) Nicholas II
C) Alexander I D) Alexander II
 
Answer & Explanation Answer: B) Nicholas II

Explanation:
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Filed Under: World History

1 2036
Q:

Which among the following statements about the earth , is not true?

A) The Earth makes one complete revolution round the Sun every 365 d, 5h, 48m, and 46 s B) The Earth makes one complete revolution on its axis in 48 hours
C) The Earth revolves in its orbit round the at a speed 66,000 miles per hour D) The Earth rotates on its axis at an equatorial speed of more than 1000 miles per hour
 
Answer & Explanation Answer: B) The Earth makes one complete revolution on its axis in 48 hours

Explanation:

Earth rotates on its own axis and completes one rotation in 24 hours

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Filed Under: World Geography

1 2036
Q:

Sulphur Dioxide pollution is indicated by an excessive growth of which of the following?

A) Algal Blooms B) Lichens
C) Bryophytes D) Protozoa
 
Answer & Explanation Answer: B) Lichens

Explanation:
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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams

4 2036
Q:

Which one of the following has a bilateral symmetry in its body organization?

A) Asterias B) Sea anemone
C) Nereis D) Euchinus
 
Answer & Explanation Answer: A) Asterias

Explanation:

Asterias has bilateral symmetry only at larval stagebut fivefold symmetry (pentamerism, a special type of radial symmetry) as adults.

Nereis do not possess any symmetry elements in their body organisation.

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Filed Under: Biology
Exam Prep: Bank Exams

2 2036
Q:

Economics is the study of how society manages its

A) Limited resources & limited wants B) Unlimited wants & unlimited resources
C) Limited wants & unlimited resources D) Limited resources & unlimited wants
 
Answer & Explanation Answer: C) Limited wants & unlimited resources

Explanation:

Economics is the study of how society manages its scarce resources i.e, Limited wants & unlimited resources.

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Filed Under: Indian Economy
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 2035
Q:

What is the capital of Denmark?

A) Copenhagen B) Stockholm
C) Vienna D) Oslo
 
Answer & Explanation Answer: A) Copenhagen

Explanation:
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Filed Under: Country Capitals
Exam Prep: Bank Exams

2 2035