Class 7 Maths Chapter 1 Integers NCERT Exercise 1.3 Full Solved | CBSE RBSE GSEB

Welcome to CBSE Worldz Class 7. In this video we will be discussing CBSE class 7 Maths Chapter 1 Integers NCERT Exercise 1.3 Full Solved
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1. Evaluate each of the following:
(a) (-30) ÷ 10 (b) 50 ÷ (-5) (c) (-36) ÷ (-9)
2. Verify that a ÷ (b + c) ≠ (a ÷ b) + (a ÷ c) for each of the following values of a, b and c.
3. Fill in the blanks:
(a) 369 ÷ ____ = 369 (b) (-75) ÷ ____ = -1
4. Write five pairs of integers (a, b) such that a ÷ b = -3. One such pair is (6, -2) because 6 ÷ (-2) = (-3).
5. The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2°C per hour until midnight, at what time would the temperature be 8°C below zero? What would be the temperature at mid-night?
6. In a class test (+ 3) marks are given for every correct answer and (-2) marks are given for every incorrect answer and no marks for not attempting any question. (i) Radhika scored 20 marks. If she has got 12 correct answers, how many questions has she attempted incorrectly? (ii) Mohini scores -5 marks in this test, though she has got 7 correct answers. How many questions has she attempted incorrectly?
7. An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach - 350 m.
✅Class 7 Maths chapterwise Playlist
👉Chapter 1 : Integers: • Class 7 Maths Chapter-...
👉Chapter 2 Fractions and Decimals: • Class 7 Maths Chapter-...
👉Chapter 3 Data Handling: • Class 7 Maths Chapter-...
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👉Chapter 5 Lines and Angles: • Class 7 Maths Chapter-...
👉Chapter 6 The Triangle and its Properties: • Class 7 Maths Chapter-...
👉Chapter 7 Congruence of Triangles: • Class 7 Maths Chapter-...
👉Chapter 8 Comparing Quantities: • Playlist
👉Chapter 9 Rational Numbers: • Class 7 Maths Chapter-...
👉Chapter 10 Practical Geometry: • Playlist
👉Chapter 11 Perimeter and Area: • Class 7 Maths Chapter-...
👉Chapter 12 Algebraic Expressions: • Class 7 Maths Chapter-...
👉Chapter 13 Exponents and Powers: • Class 7 Maths Chapter-...
👉Chapter 14 Symmetry: • Class 7 Maths Chapter-...
👉Chapter 15 Visualising Solid Shapes: • Class 7 Maths Chapter-...
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Questions:
1. Class 7 Maths chapter 1 integers exercise 1.3 solved
2. Class 7 Maths chapter 1 integers exercise 1.4 solved
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