R. D. Sharma Solutions for Chapter: Negative Numbers and Integers, Exercise 6: CCE CHAPTER TEST

Find the value of $38-(-25)-58+(-15)+23-(-8)$

Simplify: $5+(-5)+5+(-5)+\dots$

When the number of terms is $20$

Simplify: $5+(-5)+5+(-5)+\dots$

When the number of terms is $25$

If $∆$ is an operation on integers such that for integers $a$ and $b, a ∆ b = a-b-(-5).$ Find the values of $(-7)∆3$.

If $∆$ is an operation on integers such that for integers $a$ and $b, a ∆ b=a-b-(-5).$ Find the values of $(-9)∆(-4)$.

If $∆$ is an operation on integers such that for integers $a$ and $b, a ∆ b=a-b-(-5).$ Find the values of $2∆5$.

If $∆$ is an operation on integers such that for integers $a$ and $b, a ∆ b=a-b-(-5).$ Find the values of $4∆(-5)$.

Evaluate:$-36-40+43-(-29)+18-(-74)$