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Q:

The International Day of Older Persons is observed on

A) 1st October B) 2nd October
C) 3rd October D) 4th October
 
Answer & Explanation Answer: A) 1st October

Explanation:
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Filed Under: Important Days and Years
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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1 1633
Q:

Which one of the following elements will be an isobar of calcium if the atomic number of calcium is 20 and its mass number is 40?

 

A) Element with 18 neutrons and 20 protons  B) Element with 19 neutrons and 18 protons 
C) Element with 19 neutrons and 20 protons  D) Element with 18 neutrons and 22 neutrons
 
Answer & Explanation Answer: D) Element with 18 neutrons and 22 neutrons

Explanation:
Isobar: one of two or more atoms having equal atomic weights but different atomic numbers.
 
                    Mass number     Electrons      Neutrons
    Calcium            40                    20                 20
 
     Argon              40                    18                 22
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Filed Under: Chemistry
Exam Prep: Bank Exams

0 1633
Q:

If 2x + (9/x) = 9, then what is the minimum value of x2+1x2 = ?

A) 95/36 B) 97/36
C) 87/25 D) 623/27
 
Answer & Explanation Answer: B) 97/36

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Filed Under: Simplification
Exam Prep: Bank Exams

0 1632
Q:

Fe has 26 protons in its nucleus. What are the number of electrons in Fe2+ (II) ion?

A) 24 B) 26
C) 28 D) 13
 
Answer & Explanation Answer: A) 24

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Filed Under: Chemistry
Exam Prep: Bank Exams

1 1632
Q:

A  field  can  be  reaped  by  12  men  or  18  women  in  14  days.  In  how  many  days  can  8  men  and  16 women reap it?

A) 26 days B) 24 days
C) 9 days D) 8 days
 
Answer & Explanation Answer: C) 9 days

Explanation:
12 men or 18 women can complete in 14 days
8 men and 16 women can complete in how many days
12men = 18 women (Comparing efficiencies)
1men = 18/12 = 1.5 women
8 men and 16 women = 12women + 16 women = 28 women
18 women completes in 14 days
1 woman completes in 14*18 days
28 women completes in (14*18)/28 days = 9 days
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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Photosynthesis takes place in the presence of chlorophyll and _________.

A) water B) nutrients
C) carbon-dioxide D) sunlight
 
Answer & Explanation Answer: D) sunlight

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Filed Under: Biology
Exam Prep: Bank Exams

5 1632
Q:

In the following figure, rectangle represents Reporters, circle represents Lyricists, triangle represents Potters and square represents Europeans. Which set of letters represents Europeans who are not Potters ?

A) FC B) GB
C) AD D) DE
 
Answer & Explanation Answer: B) GB

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Filed Under: Image Analysis
Exam Prep: Bank Exams

1 1632
Q:

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

M_P_M_R_PM_PM_RR_P

A) RMPPRMP B) RRMPPMP
C) RMRPRMP D) MRMPRMP
 
Answer & Explanation Answer: C) RMRPRMP

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Filed Under: Alphabet Test
Exam Prep: Bank Exams

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