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Simple Interest MATHS - Simple Interest

ICSE - STD 7 - MATHS (ICSE - English Medium). 36 questions in this chapter.

Question types

Simple Interest question types

36 questions across 7 question groups — pick any mix to generate a MATHS paper with step-by-step answer keys.

36
Questions
7
Question groups
5
Question types
Sample Questions

Simple Interest questions

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

Q 8[3 marks sum]3 Marks
Find the simple interest and amount on each of the following :
(i) ₹ 8400 for 4 years at $8 \%$ per annum.
(ii) ₹ 50000 for 3 years $12 \frac{1}{2} \%$ per annum.
(iii) ₹ 9275 for 2 years at $7 \frac{1}{2} \%$ per annum.
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Q 9[4 marks sum]4 Marks
Mr. Shah has two choices of investing his money. If he invests in a bank, he gets 8% simple interest. If he invests in his friend's company ADG, he gets 12% simple interest. Mr. Shah has ₹ 5,00,000 to invest.
Q.1. If Mr. Shah invests all the money with the bank, the interest received by him after 2 years will be:
(a) ₹ 50,000$\quad$$\quad$ (b) ₹ 60,000$\quad$$\quad$ (c) ₹ 75,000$\quad$$\quad$ (d) ₹ 80,000
Q.2. What sum invested in ADG company will amount to 4,80,000 in 5 years?
(a) ₹ 3,00,000 $\quad$$\quad$(b) ₹ 3,50,000 $\quad$$\quad$(c) ₹ 4,00,000 $\quad$$\quad$(d) ₹ 4,20,000
Q.3. In what time will the money invested with the bank double itself?
(a) $7 \frac{1}{2}$ years$\quad$$\quad$ (b) 9 years $\quad$$\quad$(c) $12 \frac{1}{2}$ years$\quad$$\quad$ (d) $11 \frac{3}{4}$ years
Q.4. If Mr. Shah wishes to invest partly in the bank and partly in ADG company such that after 2 years he receives the same interest from both, then find the sum that he would invest in the bank.
(a) ₹ 2,00,000 $\quad$$\quad$(b) ₹ 2,50,000$\quad$$\quad$ (c) ₹ 3,00,000$\quad$$\quad$ (d) ₹ 3,50,000
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Q 20MCQ1 Mark
At simple interest a sum becomes $\frac{7}{4}$ of itself in 5 years. The rate of interest is
  • A
    $10 \%$ p.a.
  • B
    $12 \%$ p.a.
  • C
    $12 \frac{1}{2} \%$ p.a.
  • ✓
    $15 \%$ p.a.

Answer: D.

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Q 21MCQ1 Mark
At what rate per cent per annum simple interest will a sum be double of itself in 8 years?
  • A
    $10 \%$
  • ✓
    $12 \frac{1}{2} \%$
  • C
    $15 \%$
  • D
    $17 \frac{1}{2} \%$

Answer: B.

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Q 22MCQ1 Mark
In how many years will ₹ 900 give ₹ 351 as simple interest at 13% p.a.?
  • A
    $1 \frac{1}{2}$ years
  • B
    2 years
  • C
    $2 \frac{1}{2}$ years
  • ✓
    3 years

Answer: D.

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Q 23MCQ1 Mark
At what rate, ₹ 800 gives ₹ 208 as simple interest in 2 years?
  • A
    $11 \%$
  • B
    $12 \%$
  • ✓
    $13 \%$
  • D
    $14 \%$

Answer: C.

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Q 24MCQ1 Mark
If the principal is ₹600, then the amount to be paid at the end of 3 years at $7 \frac{1}{2} \%$ p.a. simple interest will be
  • ✓
    ₹ 735
  • B
    ₹ 750
  • C
    ₹ 775
  • D
    ₹ 785

Answer: A.

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