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Free · Class 7–8 · 4 worksheets · answer keys · practise online · set 2

Simple interest worksheets — Class 7 and 8, with answers

Free simple interest worksheets: find the simple interest, the amount, the rate and the time (SI = P × R × T ÷ 100) — new numbers every set, with answers.

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Find the simple interest (Class 7)Find the amount (Class 7)Find the rate (Class 8)Find the time (Class 8)

Find the simple interest

Class 7 · Worksheet 1 · set 2
Name:Date:Score:    / 8

Solve.

  1. Principal ₹2500, rate 3% per year, time 4 years. Find the simple interest.
  2. Principal ₹4500, rate 9% per year, time 3 years. Find the simple interest.
  3. Principal ₹10000, rate 6% per year, time 5 years. Find the simple interest.
  4. Principal ₹1000, rate 2% per year, time 1 year. Find the simple interest.
  5. Principal ₹7000, rate 9% per year, time 5 years. Find the simple interest.
  6. Principal ₹4000, rate 3% per year, time 2 years. Find the simple interest.
  7. Principal ₹6000, rate 2% per year, time 4 years. Find the simple interest.
  8. Principal ₹1000, rate 9% per year, time 5 years. Find the simple interest.

Find the amount

Class 7 · Worksheet 2 · set 2
Name:Date:Score:    / 8

Solve.

  1. Principal ₹9500, rate 11% per year, time 1 year. Find the amount.
  2. Principal ₹6000, rate 12% per year, time 5 years. Find the amount.
  3. Principal ₹5500, rate 12% per year, time 1 year. Find the amount.
  4. Principal ₹2000, rate 7% per year, time 5 years. Find the amount.
  5. Principal ₹10000, rate 2% per year, time 1 year. Find the amount.
  6. Principal ₹8500, rate 6% per year, time 3 years. Find the amount.
  7. Principal ₹2500, rate 4% per year, time 5 years. Find the amount.
  8. Principal ₹9500, rate 11% per year, time 4 years. Find the amount.

Find the rate

Class 8 · Worksheet 3 · set 2
Name:Date:Score:    / 6

Solve.

  1. Simple interest on ₹4500 for 5 years is ₹900. Find the rate.
  2. Simple interest on ₹5000 for 1 year is ₹400. Find the rate.
  3. Simple interest on ₹2000 for 5 years is ₹500. Find the rate.
  4. Simple interest on ₹8000 for 5 years is ₹4400. Find the rate.
  5. Simple interest on ₹1500 for 4 years is ₹720. Find the rate.
  6. Simple interest on ₹8000 for 3 years is ₹2400. Find the rate.

Find the time

Class 8 · Worksheet 4 · set 2
Name:Date:Score:    / 6

Solve.

  1. Simple interest on ₹9500 at 9% per year is ₹3420. Find the time.
  2. Simple interest on ₹3000 at 7% per year is ₹420. Find the time.
  3. Simple interest on ₹5000 at 7% per year is ₹1050. Find the time.
  4. Simple interest on ₹500 at 3% per year is ₹30. Find the time.
  5. Simple interest on ₹6000 at 4% per year is ₹1200. Find the time.
  6. Simple interest on ₹5500 at 6% per year is ₹1320. Find the time.

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Questions

What is the formula for simple interest?

SI = (P × R × T) ÷ 100, and Amount = P + SI.

Are these worksheets free?

Yes — print them or save as PDF free. Every worksheet has an answer key.

How do I get different questions?

Press “🔄 New set” — the questions change (maths numbers are new every time; English sentences are shuffled).

How do I print only one worksheet?

Press “🖨️ Print” on that worksheet. Tick “with answer key” if you want the answers on a second page.

Can my child do this worksheet online, like a quiz?

Yes — press “▶️ Practise online” on any worksheet. The questions come one at a time with instant marking, a score at the end and a review of mistakes. No sign-in is needed.