MEDIUM
7th CBSE
IMPORTANT
Earn 100

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

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Important Questions on Knowing Our Numbers

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≠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 2
-54 is a -ve integer.
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.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 6
The collection of integers is closed under multiplication.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 7
-5×-2 is an integer.
EASY
7th CBSE
IMPORTANT
Excellence in Mathematics>Chapter 1 - Knowing Our Numbers>CHAPTER-END EXERCISES>Q 8
The difference between the smallest positive integer and the greatest negative integer is 2.