Jharne De and Ranjana Kumar Solutions for Chapter: Natural Numbers and Whole Numbers, Exercise 1: Exercise

State which property the following represent.
$50+\left(28+40\right)=\left(15+28\right)+140$

State which property the following represent.
$\mathrm{a}\times \mathrm{b}=\mathrm{b}\times \mathrm{a}$

State which property the following represent.
$25+0=25=0+25$

State which property the following represent.
$23\times 1=1\times 23$

State which property the following represent.
$6\times \left(2+7\right)=\left(6\times 2\right)+(6\times 7)$

Ram sold books for $15$ days by selling $10$ books each day. Shyam sold books for $10$ days by selling $15$ books each day. Who sold more books?

There are $650$ students in a school. If $25$ students stand in each row during the assembly time, then find the number of rows.

There are $10$ bowls. In each bowl $12$ candies are placed. If $3$ candies are taken away from each bowl, how many candies are left in the bowls?