**Rational Numbers** Class- 7th RS Aggarwal Exe-4 I Goyal Brothers ICSE Math Solution . We provide step by step Solutions of lesson-4 Rational Numbers for ICSE Class-7 **Foundation RS Aggarwal Mathematics** of Goyal Brothers Prakashan . Our Solutions contain all type Questions of Exe-4 I to develop skill and confidence. Visit official Website **CISCE** for detail information about ICSE Board Class-7 Mathematics. MCQs **questions for** class 7/8 **maths with answers pdf **of rational numbers.

## Rational Numbers Class- 7th RS Aggarwal Exe-4 I Goyal Brothers ICSE Math Solution

Board | ICSE |

Publications | Goyal brothers Prakashan |

Subject | Maths |

Class | 7th |

Chapter-4 | Rational Numbers |

Writer | RS Aggrawal |

Book Name | Foundation |

Topics | Solution of Exe-4 I |

Academic Session | 2023 – 2024 |

**Exercise – 4 I**

**MULTIPLE CHOICE QUESTIONS**

Rational Numbers Class- 7th RS Aggarwal Exe-4 I Goyal Brothers ICSE Math Solution

**Choose the correct option in each of the following :**

**1. The additive inverse of (5/9) is**

(a) (9/5)

(b) -(5/9)

(c) (-5/-9)

(d) -(9/5)

**Answer:** option **(b) -(5/9)** is correct.

**2. The rational number (32/-40) expressed in standard form is**

(a) (8/-10)

(b) (4/-5)

(c) (-32/40)

(d) (-4/5)

**Answer:** option **(d) (-4/5)** is correct.

**3. What should be added to (-3/16) to get (5/8)?**

(a) (2/8)

(b) -(1/2)

(c) (3/8)

(d) (13/16)

**Answer:** option **(d) (13/16)** is correct.

**4. The multiplicative inverse of (-3/7) is**

(a) (-7/3)

(b) (3/7)

(c) (4/7)

(d) (7/3)

**Answer:** option **(a) (-7/3)** is correct.

**5. The sum of -(1/3) and its multiplicative inverse is**

(a) 0

(b) -3

(c) -1(2/3)

(d) -3(1/3)

**Answer:** option **(d) -3(1/3) **is correct.

**6. The product of -(1/3) and its additive inverse is**

(a) 0

(b) -3

(c) -(1/9)

(d) -3(1/3)

**Answer:** option **(c) -(1/9) **is correct.

**7. Which of the following rational numbers is equivalent to (-2/7)?**

(a) (-14/21)

(b) (-8/14)

(c) (-14/49)

(d) (-6/28)

**Answer:** option **(c) (-14/49)** is correct.

**8. If 3(3/4) m of cloth is required for one suit, then how many suits can be prepared from 30 m of cloth?**

(a) 4

(b) 5

(c) 8

(d) 9

**Answer:** option **(c) 8** is correct.

**MENTAL MATHS**

Rational Numbers Class- 7th RS Aggarwal Exe-4 I Goyal Brothers ICSE Math Solution

**1. Fill in the blanks :**

(i) The multiplicative inverse of a rational number is also called its **reciprocal**.

(ii) Every negative rational number is **less or smaller** than 0.

(iii) A rational number (p/q) is said to be in standard form, if q is **positive** and p and q have no common divisor other than 1.

(iv) (-5/-9) is a **positive** rational number.

(v) The additive inverse of a rational number (a/b) is **(-(a/b))**.

**2. Write true (T) or false (F) :**

Statement |
True/False |

(i) There exists a rational number which is neither positive nor negative. | T |

(ii) Every rational number has a multiplicative inverse. | F |

(iii) Every rational number when expressed in its standard form has its denominator greater than the numerator. | F |

(iv) The sum of a rational number and its additive inverse is always. | T |

(v) The product of a rational number and its multiplicative inverse is always. | T |

(vi) Any tow equivalent rational number have the same standard form. | F |

(vii) The product of any two rational number is also a rational number. | T |

(viii) A rational number when divided by another rational number always given a rational number. | T |

(ix) Every rational number smaller than a given rational number (p/q) lie to the left of (p/q). | F |

**— : end of Rational Numbers Class- 7th RS Aggarwal Exe-4 I Goyal Brothers ICSE Math Solution:–**

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