HARD
7th CBSE
IMPORTANT
Earn 100

Does the associative property hold good for the subtraction of integers? Give an example to support your answer.

Important Questions on Knowing Our Numbers

HARD
7th CBSE
IMPORTANT

The sum of two consecutive odd integers is 48. Find the integers.

HARD
7th CBSE
IMPORTANT

If an operation * is defined such that a*b=a+b-(a×b), then find the value of -3*5.

EASY
7th CBSE
IMPORTANT

75×100-75×10=_____.

MEDIUM
7th CBSE
IMPORTANT
The multiplicative identity of 9 is _____.
EASY
7th CBSE
IMPORTANT

The additive identity of -3 is _____.

MEDIUM
7th CBSE
IMPORTANT

Represent the product (-5)×3 on a number line.

 

MEDIUM
7th CBSE
IMPORTANT

Solve: |10÷(-5)×5|

MEDIUM
7th CBSE
IMPORTANT

Show that 12×-12+18×-12=6×-12{2+3}.