**Decimals** Class- 7th RS Aggarwal Exe-3B Goyal Brothers ICSE Math Solution . We provide step by step Solutions of lesson-3 Decimals for ICSE Class-7 **Foundation RS Aggarwal Mathematics** of Goyal Brothers Prakashan . Our Solutions contain all type Questions of Exe-3B to develop skill and confidence. Visit official Website **CISCE** for detail information about ICSE Board Class-7 Mathematics.

## Decimals Class- 7th RS Aggarwal Exe-3B Goyal Brothers ICSE Math Solution

Board | ICSE |

Publications | Goyal brothers Prakashan |

Subject | Maths |

Class | 7th |

Chapter-3 | Decimals |

Writer | RS Aggrawal |

Book Name | Foundation |

Topics | Solution of Exe-3B |

Academic Session | 2023 – 2024 |

**Exercise – 3B**

Decimals Class- 7th RS Aggarwal Exe-3B Goyal Brothers ICSE Math Solution

**1. Add :**

**(i) 9.67, 15.98**

**Solution: **9.67, 15.98

= 9.67 + 15.98

= 25.65

**(ii) 6.9, 23.84**

**Solution: **6.9, 23.84

= 6.9 + 23.84

= 30.74

**(iii) 35.67, 18.794, 4.9, 31.82**

**Solution: **35.67, 18.794, 4.9, 31.82

= 5.67 + 18.794 + 4.9 + 31.82

= 91. 184

**(iv) 63.05, 24.839, 3.7, 16.85**

**Solution: **63.05, 24.839, 3.7, 16.85

= 63.05 + 24.839 + 3.7 + 16.85

= 108.439

**2. Subtract :**

**(i) 2.975 from 8.23**

**Solution: **2.975 from 8.23

= 8.230 – 2.975 (convert 8.23 into like decimal)

= 5.255

**(ii) 0.75 from 1.3**

**Solution: **0.75 from 1.3

= 1.30 – 0.75 (convert 1.3 into like decimal)

= 0.55

**(iii) 6.054 from 11.26**

**Solution: **6.054 from 11.26

= 11.260 – 6.054 (convert 11.26 into like decimal)

= 5.206

**(iv) 134.68 from 201.3**

**Solution:** 134.68 from 201.3

= 201.30 – 134.68 (convert 201.3 into like decimal)

= 66.62

**3. Take out 6.345 from 8.1.**

**Solution: **6.345 from 8.1

= 8.1 – 6.345

= 1.755

**4. What is the difference between 68.5 and 0.685?**

**Solution: **68.5 and 0.685

= 68.5 – 0.685

= 67.815

**5. What is the excess of 90 over 53.865?**

**Solution: **90 over 53.865

= 90.000 – 53.865 (convert 90 into like decimal)

= 36.135

**6. What should be subtracted from 50 to get 34.57?**

**Solution: **50 to get 34.57

= 50.00 – 34.57 (convert 50 into like decimal)

= 15.43

**7. What should be added to 63.47 to get 91?**

**Solution: **63.47 to get 91

= 91 – 63.47

= 27.53

**8. Manish buys a ₹8.75 metro ticket with a ₹20 note. How much money does he get back?**

**Solution: **Total money he had = ₹20

Expenditure on ticket = ₹8.75

= 20 – 8.75

= ₹11.25

He has ₹11.25 left

**9. A baby increases in weight from 5.58 kg to 6.16 kg. How much weight has the baby gained?**

**Solution:** 5.58 kg to 6.16 kg

= 6.16 – 5.58

= 0.58

**10. Simplify :**

**(i) 67 + 13.85 – 29.904**

**Solution: **67 + 13.85 – 29.904

= 80.850 – 29.904

= 50.946

**(ii) 16.753 + 4.06 – 13.89**

**Solution: **16.753 + 4.06 – 13.89

= 20.813 – 13.890

= 6.923

**(iii) 1 – 10.5 + 12.213**

**Solution: **1 – 10.5 + 12.213

= 13.213 – 10.500

= 2.713

**(iv) 81 – 15.68 -4.2**

**Solution: **81 – 15.68 -4.2

= 81 – 19.88

= 61.12

**(v) 555 – 55.5 – 5.555**

**Solution: **555 – 55.5 – 5.555

= 555 – 61.055

= 433.945

**(vi) 100 – 32.5 – 46.74 – 12.925**

**Solution: **100 – 32.5 – 46.74 – 12.925

= 100 – 92.165

= 7.835

**— : end of Decimals Class- 7th RS Aggarwal Exe-3B Goyal Brothers ICSE Math Solution:–**

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