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Quantitative Aptitude > Interest

SIMPLE & COMPOUND INTEREST MCQs

Compound Interest, Simple Interest, Interest (combined)

Total Questions : 1171 | Page 105 of 118 pages
Question 1041. Indu gave Bindu Rs.1250 on compound interest for 2 years at 4% per annum. How much loss would Indu has suffered had she given it to Bindu for 2 years at 4% per annum simple interest?
  1.    Rs.10
  2.    Rs.2
  3.    Rs.5
  4.    Rs.3
 Discuss Question
Answer: Option B. -> Rs.2


1250 = D(100/4)2


      D = 2


Question 1042. In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?
  1.    8500
  2.    8000
  3.    8100
  4.    8400
 Discuss Question
Answer: Option B. -> 8000


x*110/100 * 90/100 = 7920

 X*0.99=7920

 X=7920/0.99

=> 8000


Question 1043. Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?
  1.    Rs.81000
  2.    Rs.80000
  3.    Rs.75000
  4.    Rs.64000
 Discuss Question
Answer: Option A. -> Rs.81000


64000*
9/8 * 9/8 = 81000


Question 1044. A money lender lends Rs.2000 for six months at 20% p.a. rate. It the interest is reckoned quarterly than find the amount given after time limit.
  1.    Rs.2205
  2.    Rs.2200
  3.    Rs.2160
  4.    Rs.2040
 Discuss Question
Answer: Option A. -> Rs.2205


A =
2000(21/20)2 = 2205


Question 1045. A sum amount to Rs.1344 in two years at simple interest. What will be the compound interest on the same sum at the same rate of interest for the same
period?
  1.    Rs.150
  2.    Rs.140
  3.    Rs.130
  4.    Data insufficient for the answer
 Discuss Question
Answer: Option D. -> Data insufficient for the answer




Question 1046. Find the amount on Rs.5000 in 2 years, the rate of interest being 4% per first year and 5% for the second year?
  1.    Rs.460
  2.    Rs.5640
  3.    Rs.5460
  4.    Rs.5604
 Discuss Question
Answer: Option C. -> Rs.5460


5000
* 104/100 * 105/100 => 5460


Question 1047. How much more would Rs.20000 fetch, after two years, if it is put at 20% p.a. compound interest payable half yearly than if is put at 20% p.a. compound interest payable yearly?
  1.    Rs.482
  2.    Rs.424
  3.    Rs.842
  4.    Rs.512
 Discuss Question
Answer: Option A. -> Rs.482


20000(11/10)4
- 20000(6/5)2 = 482


Question 1048. The population of a city increases at the rate of 4% p.a. but there is an additional annual increase of 1% in the population due to some job seekers. The
percentage increase in the population after 2 years is?
  1.    10
  2.    11
  3.    10.25
  4.    10.15
 Discuss Question
Answer: Option C. -> 10.25


100

5 ---- I

5

0.25 --- II

-----------


10.25%


Question 1049. How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?
  1.    3.5 years
  2.    4 years
  3.    4.5 years
  4.    5 years
 Discuss Question
Answer: Option B. -> 4 years


Time = (100 * 81) / (450 * 4.5) = 4 years


Question 1050. What is the present worth of Rs. 132 due in 2 years at 5% simple interest per annum?
  1.    Rs. 112
  2.    Rs. 118.80
  3.    Rs. 120
  4.    Rs. 122
 Discuss Question
Answer: Option C. -> Rs. 120


Let the present worth be Rs. x. Then,S.I. = (132 - x)(x * 5 * 2) / 100 = (132 - x)10x = 13200 - 100x110x = 13200 => x = 120.


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