The additive inverse of $-12$ is

Important Questions on Knowing Our Numbers

EASY

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 7

Which of the following is true?

EASY

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 8

If $x=2, y=-1$ and $z=-2$, the value of $x\left(y+z\right)$ is

EASY

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 9

Temperature of a place is $-24°\mathrm{C}$. If it is increased by $11°\mathrm{C}$, the final temperature in the place is

MEDIUM

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 10

Population in a city was $8,60,000$. In the next year, if it is increased by $14,000$ more than one-tenth of the previous population, the present population in the city is

MEDIUM

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 1

Let $a, b$ be two non-zero integers and $a÷b\ne b÷a$. It shows that commutative property is not satisfied with respect to division in integers.

EASY

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 3

If the exponent of a negative integer is even, then the value is positive.

MEDIUM

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 4

The distributive property of division over addition holds good in integers.

EASY

7th CBSE

IMPORTANT

Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 5

The collection of integers is commutative under division.