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Q:

If the simple interest on a sum of money for 2 years at 5% per annum is Rs. 50, what is the compound interest on the same at the same rate and for the same time?

A) Rs.51.25 B) Rs.52
C) Rs.53 D) Rs.54
 
Answer & Explanation Answer: A) Rs.51.25

Explanation:

Sum =Rs.(50 x 100/2x5)

= Rs. 500.

Amount

=[Rs.500x(1+5/100)²]

=Rs(500x21/20x21/20).

=Rs. 551.25

 

C.I

= Rs. (551.25 - 500)

= Rs. 51.25

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

A sum of money invested at compound interest amounts to Rs. 800 in 3 years and to Rs. 840 in 4 years. The rate of interest per annum is

A) 6% B) 4%
C) 5% D) 7%
 
Answer & Explanation Answer: C) 5%

Explanation:

S.I. on Rs.800 for 1 year

=Rs[840 - 800]

= Rs.40

 

Rate

=(100x40/800x1)%

= 5%

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Filed Under: Compound Interest
Exam Prep: Bank Exams
Job Role: Bank PO

Q:

Who is the author of 'Anandmath'

A) Rabindranath Tagore B) Bankim Chandra Chattopadyaya
C) Sarojini Nayadu D) Jyotiba Phule
 
Answer & Explanation Answer: B) Bankim Chandra Chattopadyaya

Explanation:
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Filed Under: Books and Authors

Q:

The difference between simple interest and compound interest on Rs. 1200 for one year at 10% per annum reckoned half yearly is

A) Rs.2.50 B) Rs.3
C) Rs.4 D) Rs.4.50
 
Answer & Explanation Answer: B) Rs.3

Explanation:

S.I

= Rs.(1200x10x1/100)

= Rs.120.

 

C.I

= Rs[(1200x1+5/100)² -1200]

= Rs.123. 

 

Difference

= Rs.[123-120]

= Rs. 3.

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Filed Under: Compound Interest
Exam Prep: GRE

Q:

Limba Ram is known for his outstanding performance in which of the following

A) Boxing B) Shooting
C) Swimming D) Archery
 
Answer & Explanation Answer: D) Archery

Explanation:
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Filed Under: Sports

Q:

Pravin Amre and Vinod Kambli played for which province in south Africa

A) Border B) Boland
C) Griqualand West D) Gauteng
 
Answer & Explanation Answer: B) Boland

Explanation:
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Q:

Two electric bulbs marked 25W – 220V and 100W – 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

A) 25 W B) Both
C) 100 W D) Neither
 
Answer & Explanation Answer: A) 25 W

Explanation:

Resistances of both the bulbs are

 

R1=V^2/P1 = 220^2/25

 

R2 = V^2/P2 = 220^2/100

 

Hence  R1gt ; R2

 

When connected in series, the voltages divide in them in the ratio of their resistances. The voltage of 440 V devides in such a way that voltage across 25 w bulb will be more than 220 V. Hence 25 w bulb will fuse.

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Filed Under: Physics
Exam Prep: AIEEE

Q:

In the match between India and Pakistan at Jaipur on 02-10-1983, which new rule was introduced

A) Limit of overs wes reduced to 50 overs B) The rule of field restriction was taken
C) over throw runs were batsmans score D) Noballs & wides were debited to bowlers analysis
 
Answer & Explanation Answer: D) Noballs & wides were debited to bowlers analysis

Explanation:
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Filed Under: Sports