## RS Aggarwal Class 7 Solutions Chapter 12 Simple Interest Ex 12B

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 12 Simple Interest Ex 12B.

**Other Exercises**

- RS Aggarwal Solutions Class 7 Chapter 12 Simple Interest Ex 12A
- RS Aggarwal Solutions Class 7 Chapter 12 Simple Interest Ex 12B
- RS Aggarwal Solutions Class 7 Chapter 12 Simple Interest CCE Test Paper

**Question 1.**

**Solution:**

Principal (P) = Rs. 6250

Rate of (R) = 4% p.a.

Period (T) = 6 months = \(\frac { 1 }{ 2 }\) year

**Question 2.**

**Solution:**

Amount (A) = Rs. 3605

Rate (R) = 5% p.a.

**Question 3.**

**Solution:**

Let sum (P) = Rs. 100

**Question 4.**

**Solution:**

Principal (P) = Rs. 8000

Amount (A) – Rs. 8360

S.I. = A – P = Rs. 8360 – Rs. 8000 = Rs. 360

Rate (R) = 6% p.a.

**Question 5.**

**Solution:**

Let sum (P) = Rs. 100

Then amount (A) = Rs. 100 x 2 = Rs. 200

S.I. = A – P = Rs. 200 – Rs. 100 = Rs. 100

Period (T) = 10 years

**Question 6.**

**Solution:**

S.I. = Rs. x

Rate (R) = x% p.a.

Time (T) = x year

Rs. \(\frac { 100 }{ x }\) (c)

**Question 7.**

**Solution:**

Let sum (P) = Rs. 100

**Question 8.**

**Solution:**

A’s principal (P) = Rs. 8000

Rate (R) = 12% p.a.

B’s principal = Rs. 9100

Rate = 10%

Let after x years, then amount will be equal

**Question 9.**

**Solution:**

Amount (A) = Rs. 720

Principal (P) = Rs. 600

S.I. = A – P = Rs. 720 – 600 = Rs. 120

Period (T) = 4 years

**Question 10.**

**Solution:**

**Question 11.**

**Solution:**

Let sum (P) = Rs. 100

Their S.I. = 0.125 of Rs. 100

**Question 12.**

**Solution:**

S.I. = Rs. 210

Hope given RS Aggarwal Solutions Class 7 Chapter 12 Simple Interest Ex 12B are helpful to complete your math homework.

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