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Interest MATHS - Interest

ICSE - STD 8 - MATHS (ICSE - English Medium). 81 questions in this chapter.

Question types

Interest question types

81 questions across 4 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

81
Questions
4
Question groups
5
Question types
Sample Questions

Interest questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 2[3 marks sum]3 Marks
A sum of money, lent out at simple interest, doubles itself in $8$ years. Find $:(i)$ the rate of interest $(ii)$ in how many years will the sum become triple $($three times$)$ of itself at the same rate percent?
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Q 4[3 marks sum]3 Marks
The simple interest on a certain sum of money is $\frac{3}{8}$ of the sum in $6 \frac{1}{4}$ years. Find the rate percent charged.
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Q 7[4 marks sum]4 Marks
Rekha borrowed $Rs. 40,000$ for $3$ years at $10\%$ per annum compound interest. Calculate the interest paid by her for the second year.
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Q 8[4 marks sum]4 Marks
Calculate the compound interest on $Rs. 5,000$ in $2$ years; if the rates of interest for successive years be $10\%$ and $12\%$ respectively.
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Q 9[4 marks sum]4 Marks
Find the amount and the compound interest on $₹ 10,000$ in $3$ years, if the rates of interest for the successive years are $10\%, 15\%,$ and $20\%$ respectively.
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Q 10[4 marks sum]4 Marks
Find the amount and the compound interest on $₹ 4,000$ in $2$ years, if the rate of interest for the first year is $10\%$ and for the second year is $15\%.$
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Q 13[5 marks sum]5 Marks
Mohan borrowed $Rs. 16,000$ for $3$ years at $5\%$ per annum compound interest. Calculate the amount that Mohan will pay at the end of $3$ years.
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Q 14[5 marks sum]5 Marks
Calculate the compound interest on $Rs. 15,000$ in $3$ years; if the rates of interest for successive years be $6\%, 8\%$, and $10\%$ respectively.
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