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Average Test 19
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Average Test 19
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  • Question 1/11
    1 / -0

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    6%

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    A sum of Rs. 12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?
    Solutions
    6%
  • Question 2/11
    1 / -0

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    400%

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    A sum of Rs 2 is lent to be paid back in 3 equal monthly instalments of Re. 1 each. Find the rate percent ?
    Solutions
    400%
  • Question 3/11
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    data insufficient

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    The average age of 24 boys in a class is 16. If the teacher is included and one boy is excluded from the group, the average increases by one. The age of the teacher is ?
    Solutions
    data insufficient
  • Question 4/11
    1 / -0

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    12%

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    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 ?
    Solutions
    12%
  • Question 5/11
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    10.25%

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    An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes:
    Solutions
    10.25%
  • Question 6/11
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    71 kg

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    The average weight of 35 students in a class is 35 kg. If the teacher is also included, the average weight increases to 36 kg . the weight of the teacher is ?
    Solutions
    71 kg
  • Question 7/11
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    6400

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    The population of a town was 3600 three years back. It is 4800 right now. What will be the population three years down the line, if the rate of growth of population has been constant over the years and has been compounding annually?
    Solutions
    6400
  • Question 8/11
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    6

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    A sum of money at compound interest amounts to thrice itself in 3 years. In how many years will it be 9 times itself?
    Solutions
    6
  • Question 9/11
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    4

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    The average number of printing errors per in a book of 512 pages is 4. If the total number of printing errors in the first 302 pages is 1208, the average number of printing errors per page in the remaining pages is ?
    Solutions
    4
  • Question 10/11
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    25 years

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    A sum of money invested for a certain number of years at 8% p.a. simple interest grows to Rs.180. The same sum of money invested for the same number of years at 4% p.a. simple interest grows to Rs.120 only. For how many years was the sum invested?
    Solutions
    25 years
  • Question 11/11
    1 / -0

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    Rs. 51.25

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    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?
    Solutions
    Rs. 51.25
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