## RS Aggarwal Class 7 Solutions Chapter 3 Decimals Ex 3B

These Solutions are part of RS Aggarwal Solutions Class 7. Here we have given RS Aggarwal Solutions Class 7 Chapter 3 Decimals Ex 3B.

**Other Exercises**

- RS Aggarwal Solutions Class 7 Chapter 3 Decimals Ex 3A
- RS Aggarwal Solutions Class 7 Chapter 3 Decimals Ex 3B
- RS Aggarwal Solutions Class 7 Chapter 3 Decimals Ex 3C
- RS Aggarwal Solutions Class 7 Chapter 3 Decimals Ex 3D
- RS Aggarwal Solutions Class 7 Chapter 3 Decimals Ex 3E
- RS Aggarwal Solutions Class 7 Chapter 3 Decimals CCE Test Paper

**Add:**

**Question 1.**

**Solution:**

Converting them into like decimals 16.00, 8.70, 0.94, 6.80 and 7.77

Now, adding them,

16.0 + 8.70 + 0.94 + 6.80 + 7.77 = 40.21

**Question 2.**

**Solution:**

Converting them into like decimals 18.600, 206.370, 8.008, 26.400, 6.900

Adding we get

18.600 + 206.370 + 8.008 + 26.400 + 6.900 = 266.278

**Question 3.**

**Solution:**

Converting them into like decimals, 63.50, 9.70, 0.80, 26.66, 12.17

Adding we get:

63.50 + 9.70 + 0.80 + 26.66 + 12.17 = 112.83

**Question 4.**

**Solution:**

Converting them into like decimals 17.400, 86.390, 9.435, 8.800, 0.060

Adding we get:

17.400 + 86.390 + 9.435 + 8.800 + 0.060 = 122.085

**Question 5.**

**Solution:**

Converting them into like decimals 26.900, 19.740, 231.769, 0.048

Now adding we get:

26.900 + 19.740 + 231.769 + 0.048 = 278.457

**Question 6.**

**Solution:**

Converting them into like decimals 23.800, 8.940, 0.078 and 214.600

Now adding we get:

23.800 + 8.940 + 0.078 + 214.600 = 247.418

**Question 7.**

**Solution:**

Converting them into like decimals.

6.606, 66.600, 666.000,0.066, 0.660

Now adding we get:

6.606 + 66.600 + 666.000 + 0.066 + 0,660 = 739.932

**Question 8.**

**Solution:**

9.090, 0.909, 99.900, 9.990, 0.099

Now adding we get:

9.090 + 0.909 + 99.900 + 9.990 + 0.099 = 119.988

**Subtract:**

**Question 9.**

**Solution:**

14.79 from 72.43

72.43 – 14.79 = 57.64

**Question 10.**

**Solution:**

Converting them into like decimals, We get

36.74 and 52.60

Now 52.60 – 36.74 = 15.86

**Question 11.**

**Solution:**

Converting them into like decimals, We get

13.876 and 22.000

22.000 – 13.876 = 8.124

**Question 12.**

**Solution:**

Converting them into like decimals, We get

15.079 and 24.160

24.160 – 15.079 = 9.081

**Question 13.**

**Solution:**

Converting them into like decimals We get

0.680 and 1.007

1.007 – 0.680 = 0.327

**Question 14.**

**Solution:**

Converting them into like decimals,

We get 0.4678 and 5.0500

5.0500 – 0.4678 = 4.5822

**Question 15.**

**Solution:**

Converting them into like decimals,

We get 2.5307 and 8.0000

8.0 – 2.5307 = 5.4693

**Question 16.**

**Solution:**

There are like decimals

9.1 – 6.732 = 2.269

**Question 17.**

**Solution:**

Converting them into like decimals,

We get 5.746 and 9.100

9.100 – 5.746 = 3.354

**Question 18.**

**Solution:**

Converting into like decimals, we get,

63.59 and 92.00

Required number = 92.00 – 63.58 = 28.42

**Question 19.**

**Solution:**

Converting into like decimals, we get:

8.100 and 0.813

Required number = 8.100 – 0.813 = 7.287

**Question 20.**

**Solution:**

Converting them into like decimals, we get: 32.67 and 60.10

Required number = 60.10 – 32.67 = 27.43

**Question 21.**

**Solution:**

Converting into like decimals, we get 74.3 and 26.87

Required number = 74.30 – 26.87 = 47.43

**Question 22.**

**Solution:**

Cost of notebook = Rs. 23.75

Cost ofpencil = Rs. 2.85

Costofpen =Rs. 15.90

Total cost = Rs. 42.50

Amount gave to the shop keeper = 50 rupees

Balance amount got = Rs 50.00 – Rs 42.50 = 7.50

Hope given RS Aggarwal Solutions Class 7 Chapter 3 Decimals Ex 3B are helpful to complete your math homework.

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