Questions

Q:

Which  of  the  following  substances  cause temporary hardness in water?

1. Mg(HCO3)2

2. Ca(HCO3)2

3. CaCl2

4. MgSO4

A) 3 and 4 B) 2and 3
C) 1 and 4 D) 1 and 2
 
Answer & Explanation Answer: D) 1 and 2

Explanation:

There are two types of water hardness: temporary and permanent hardness. Temporary hardness is due to the presence of calcium hydrogen carbonate Ca(HCO3)2(aq) and magnesium hydrogen carbonate Mg(HCO3)2(aq).

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Filed Under: Chemistry
Exam Prep: Bank Exams

0 31586
Q:

Which of the following statements are CORRECT?

I. Esters are sweet smelling substance.
II Esters are used in making perfumes.
III. Functional group of ester is R-O-RꞋ.

 

A) Only I and II B) Only I and III
C) Only II and III D) All I, II and III
 
Answer & Explanation Answer: A) Only I and II

Explanation:
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Filed Under: Chemistry
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0 31584
Q:

According to ohm's law, which of the following is true?

 

A) The current flowing through a wire is directly proportional to the Potential Difference applied across its ends B) The current flowing through a wire is directly proportional to its resistance
C) The current flowing through a wire is indirectly proportional to its length D) The current flowing through the wire is indirectly proportional to the Potential Difference applied across its ends  
 
Answer & Explanation Answer: A) The current flowing through a wire is directly proportional to the Potential Difference applied across its ends

Explanation:
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Filed Under: Physics
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0 31528
Q:

What will be output when you will execute following c code?

#include <stdio.h>
void main()

{
    signed int a = -1;
    unsigned int b = -1u;
    if(a == b)
         printf( "The Lord of the Rings" );
    else
         printf( "American Beauty" );
}

A) The Lord of the Rings B) American Beauty
C) Compilation error: Cannot compare signed number with unsigned number D) Warning: Illegal operation
 
Answer & Explanation Answer: A) The Lord of the Rings

Explanation:
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Filed Under: Programming

12 31472
Q:

Which among the following Acts were repealed by Article 395 of the Constitution of India?

1.The Government of India Act, 1935

2.The Indian Independence Act, 1947

3.The abolition of Privy Council jurisdiction Act, 1949

4.The government of India Act, 1919

 

Select the correct answer using the code given below.

A) 1 and 2 only B) 1 and 3 only
C) 1, 2 and 3 only D) 1, 2, 3 and 4
 
Answer & Explanation Answer: A) 1 and 2 only

Explanation:

A395. Repeals The Indian Independence Act, 1947, and the Government of India Act, 1935 , together with all enactments amending or supplementing the latter Act, but not including the Abolition of Privy Council Jurisdiction Act, 1949.

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Filed Under: Indian Politics
Exam Prep: Bank Exams

0 31459
Q:

Which of the following rivers of peninsular India is distinct from the remaining three?

 

A) Narmada B) Cauvery
C) Krishna D) Godavari
 
Answer & Explanation Answer: A) Narmada

Explanation:
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Filed Under: Indian Geography
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1 31457
Q:

Which of the following has no Skeleton at all?

A) Star fish B) Sponge
C) Jelly fish D) Silver fish
 
Answer & Explanation Answer: C) Jelly fish

Explanation:
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Filed Under: Animals and Birds

432 31355
Q:

The national Temple of Bangladesh is _________.

 

A) Jagannath Temple, Pabna B) Boro Kali Bari Temple, Mymensingh
C) Dhakeshwari Temple, Dhaka D) Sugandha Shaktipeeth, Barisal
 
Answer & Explanation Answer: C) Dhakeshwari Temple, Dhaka

Explanation:
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Filed Under: World Geography
Exam Prep: Bank Exams

3 31324