Dr. Sanjeev Verma and R.K. Tyagi Solutions for Chapter: Whole Numbers, Exercise 5: CHAPTER-END EXERCISES

_____ is called additive identity for whole numbers. 

On the number line, $750$ lies on _____ side of $705.$

The least number to be subtracted from $25809$ to get a number exactly divisible by $139$ is _____. 

The property depicted by $(a+b)=(b+a)$ is _____ property.

$49\times 66+ 49\times 34= 49\times (66$ $+$ _____$)$

If $a=10, b=6$  and $c=4$, find $a\times (b-c)$.

If $a=15, b=2$ and $c=5$, find $a\times \left(b+c\right)$.

If $a=20, b=5$  and $c=2$, find $\left(a÷b\right)÷c$.