Class 7 Maths Chapter 1 Exercise-1.3 Solutions (New 2023 Syllabus)
Are you have learned addition, subtraction and multiplication of integers, now this exercise covers the topic of the division of integers and Class 7 Maths Chapter 1 Exercise-1.3 Solutions makes it even easier for you to go through this exercise by providing you with detailed solutions of this exercise. You need to learn some properties of division to solve this exercise without any difficulty. This exercise contains 7 questions with some statement problems to cover the topic.
1. Evaluate each of the following:
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:
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℃ above zero. If it decreases at the rate of 2℃ per hour until midnight, at what time would the temperature be 8℃ 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 6m/min. If the descent starts from 10 m above the ground level, how long will it take to reach -350m.
