Tiwari Academy Discussion

Asked: March 16, 2021In: Class 7 Maths

A certain freezing process requires that room temperature be lowered from 40° C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins?

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 6

Eesha

Asked: March 16, 2021In: Class 7 Maths

Find the product, using suitable properties: 26 x (-48) + (-48) x (-36)

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 5

Eesha

Asked: March 16, 2021In: Class 7 Maths

Starting from (-1) x5, write various products showing some patterns to show (-1) x (-1) = 1.

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 4

Eesha

Asked: March 16, 2021In: Class 7 Maths

(i) For any integer a, what is (-1) x a equal to? (ii) Determine the integer whose product with(-1) is: (a) –22 (b) 37 (c) 0

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 3

Eesha

Asked: March 16, 2021In: Class 7 Maths

Verify the following: (a) 18 x [7 + (–3)] = [18 x 7] + [18 x (–3)] (b) (–21) x [(–4) + (–6)] = [(–21) x (-4)] + [(–21) x (–6)]

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 2

Eesha

Asked: March 16, 2021In: Class 7 Maths

Find the each of the following products: (a) 3 x (–1) (b) (–1) x 225

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.3 NCERT Books for Session 2020-2021 CBSE Board Questions No: 1

Eesha

Asked: March 16, 2021In: Class 7 Maths

An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 above the ground level, how long will it take to reach -350 m?

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.4 NCERT Books for Session 2020-2021 CBSE Board Questions No: 7

Eesha

Asked: March 16, 2021In: Class 7 Maths

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?

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.4 NCERT Books for Session 2020-2021 CBSE Board Questions No: 6

Eesha

Asked: March 16, 2021In: Class 7 Maths

Write five pairs of integers (a,b) such that a÷b= -3.One such pair is (6,-2) because 6 ÷(-2) = (-3).

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.4 NCERT Books for Session 2020-2021 CBSE Board Questions No: 4

Eesha

Asked: March 16, 2021In: Class 7 Maths

Fill in the blanks: 369 ÷ ………….. = 369

NCERT Solutions for Class 7 Mathematics Chapter 1 Important NCERT Questions Class vii Math Chapter 1 Integers Exercise 1.4 NCERT Books for Session 2020-2021 CBSE Board Questions No: 3

A certain freezing process requires that room temperature be lowered from 40° C at the rate of 5°C every hour. What will be the room temperature 10 hours after the process begins?

Find the product, using suitable properties: 26 x (-48) + (-48) x (-36)

Starting from (-1) x5, write various products showing some patterns to show (-1) x (-1) = 1.

(i) For any integer a, what is (-1) x a equal to? (ii) Determine the integer whose product with(-1) is: (a) –22 (b) 37 (c) 0

Verify the following: (a) 18 x [7 + (–3)] = [18 x 7] + [18 x (–3)] (b) (–21) x [(–4) + (–6)] = [(–21) x (-4)] + [(–21) x (–6)]

Find the each of the following products: (a) 3 x (–1) (b) (–1) x 225

An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 above the ground level, how long will it take to reach -350 m?

Write five pairs of integers (a,b) such that a÷b= -3.One such pair is (6,-2) because 6 ÷(-2) = (-3).

Fill in the blanks: 369 ÷ ………….. = 369

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