Class 7 Maths Chapter 1 Integers NCERT Exercise 1.3 Full Solved | CBSE RBSE GSEB
Автор: CBSE Worldz Class 7
Загружено: 2024-01-18
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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.
✅To watch videos of other subjects, click the link given below:
👉Class 7 Science: • Class 7 Science
👉Class 7 Maths: • Class 7 Maths
✅Class 7 Maths chapterwise Playlist
👉Chapter 1 : Integers: • Class 7 Maths Chapter-1 Integers
👉Chapter 2 Fractions and Decimals: • Class 7 Maths Chapter-2 fractions and decimal
👉Chapter 3 Data Handling: • Class 7 Maths Chapter-3 Data Handling
👉Chapter 4 Simple Equations: • Class 7 Maths Chapter-4 Simple Equations
👉Chapter 5 Lines and Angles: • Class 7 Maths Chapter-5 Lines and Angles
👉Chapter 6 The Triangle and its Properties: • Class 7 Maths Chapter-6 The Triangle and i...
👉Chapter 7 Congruence of Triangles: • Class 7 Maths Chapter-7 Comparing Quantities
👉Chapter 8 Comparing Quantities: • Плейлист
👉Chapter 9 Rational Numbers: • Class 7 Maths Chapter-8 Rational Numbers
👉Chapter 10 Practical Geometry: • Плейлист
👉Chapter 11 Perimeter and Area: • Class 7 Maths Chapter-9 Perimeter and Area
👉Chapter 12 Algebraic Expressions: • Class 7 Maths Chapter-10 Algebraic Express...
👉Chapter 13 Exponents and Powers: • Class 7 Maths Chapter-11 Exponents and Powers
👉Chapter 14 Symmetry: • Class 7 Maths Chapter-12 Symmetry
👉Chapter 15 Visualising Solid Shapes: • Class 7 Maths Chapter-13 Visualising Solid...
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Questions:
1. Class 7 Maths chapter 1 integers exercise 1.3 solved
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