Exams


Q:

The difference between simple and compound interest compounded annually on a certain sum of money for 2 years at 4% per annum is re.1. the sum is

A) 625 B) 630
C) 640 D) 650
 
Answer & Explanation Answer: A) 625

Explanation:

sum=Rs.x

C.I=[x(1+4/100)^2-x]=(676/625x-x)=51/625

S.I=(x*4*2)/100=2x/25

x=625

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Filed Under: Compound Interest
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15 21647
Q:

Generally covalently bonded molecules ______.

 

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

 

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

Explanation:
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Filed Under: Chemistry
Exam Prep: Bank Exams

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Q:

First Indian woman to win Man Booker Prize?

A) Kiran Desai B) V.S. Naipaul
C) Salman Rushdie D) Arundhati Roy
 
Answer & Explanation Answer: D) Arundhati Roy

Explanation:

Arundhati Roy was the first Indian woman to win the Man Booker Prize in the year 1997.

An Indian writer, Arundhati Roy, was awarded England's prestigious Booker Prize this evening for her first novel, ''The God of Small Things,'' a soaring story about a set of twins struggling to make sense of the world, themselves and their strange and difficult family in southern India.

 

Kiran Desai was the youngest woman to win the Man Booker Prize.

Bernice Rubens became the first woman to win the Booker Prize in 1970. Man Booker Prize is one of the world's richest literary prizes.

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Filed Under: General Awareness
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Job Role: Analyst , Bank Clerk , Bank PO

40 21646
Q:

Find the height of the table?

how_tall_is_the_table1542200476.jpg image

A) 40 cm B) 150 cm
C) 120 cm D) 45 cm
 
Answer & Explanation Answer: B) 150 cm

Explanation:

Let the heights of Cat, Table and Turtle be C, T & R respectively.

 

From the above given figure,

 

C + T - R = 170 ......(a)

 

R + T - C = 130 ......(b)

 

Adding above eqns (a) & (b), we get

 

2T = 300

 

T = 150 cm

 

Hence, the height of the table is 150 cm.

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Filed Under: Math Puzzles
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66 21640
Q:

Find the quadratic equations whose roots are the reciprocals of the roots of 2x2+5x+3?

A)  3x2+5x+2=0   

B) 5x2+3x+2=0 

C) 3x2-5x-2=0   

D)  None



A) A B) B
C) C D) D
 
Answer & Explanation Answer: A) A

Explanation:

The quadratic equation whose roots are reciprocal of 2x2+5x+3=0 can be obtained by replacing x by 1/x.

 

Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0

 

=> 3x2+5x+2=0

 

 

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Filed Under: Mathematical Operations
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78 21636
Q:

A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:

A) 5% B) 8%
C) 12% D) 15%
 
Answer & Explanation Answer: C) 12%

Explanation:

 

S.I. for 3 years = Rs. (12005 - 9800) = Rs. 2205.

 

S.I. for 5 years = Rs.22053×5= Rs.3675

 

Principle = Rs.(9800-3675) = Rs.6125

 

Hence, Rate = 100×36756125×5 =12%

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Filed Under: Simple Interest
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18 21629
Q:

Lime water becomes white due to which gas?

 

A) CO2 B) O2
C) NO2   D) N2
 
Answer & Explanation Answer: A) CO2

Explanation:
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Filed Under: Chemistry
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Q:

What is the name of the second layer of the Earth's three concentric layers?

 

A) SIAL B) SIMA
C) NIFE D) No option is correct
 
Answer & Explanation Answer: B) SIMA

Explanation:
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Filed Under: General Science
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