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 |
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