Subtraction is not Associative

Q.

Subtraction of $4$ from $-4$.

Q. If $p=15-(3-5)$ and $q=(15-5)-3,$ then $p-q=$

Q.

Complete the following statements with suitable words or figures.

$(5-4)-1$ $\ne$ $5-(4-1)$

So, ………..property does not hold true for subtraction.

Q. There are 65 chairs in a hall. During an event, 23 men and 32 women occupied the chairs.

Which expression is used to find the number of unoccupied chairs?

1. $65-(23-32)$
2. $(65-23)-32$
3. both a and b

Q. Which expression(s) give(s) the same value as $12-7-3?$

1. $12-(7-3)$
2. $(12-3)-7$
3. $(12-7)-3$
4. $2$

Q. Check whether the following statement is true of false:

The value of $1-(1-1)$ is equal to $(1-1)-1.$

1. true
2. false