Principal Mohan Lal and J.C. Nijhawan Solutions for Chapter: Natural Numbers and Whole Numbers, Exercise 10: Worksheet IX

Simplify the following:

$25+14÷\left(5-3\right)$

Simplify the following: 

$3-\left(5-6÷3\right)$

Simplify the following: 

$36-\left[12+\left(3\times 10÷2\right)\right]$

Simplify the following: 

$20-3-\left[7-\left\{2+\left(4-3\right)\right\}\right]$

Simplify the following: 

$15+\left[18-\left\{4+\left(16-5\right)\right\}\right]$

Simplify the following: 

$22-\frac{1}{4}\left\{16-\left(8÷4+2\right)\right\}$

Simplify the following:  

$18-\left[18-\left\{18-\left(18-18\right)-18\right\}\right]$

Simplify the following:  

$150-\left[70-\left\{60-\left(30+20\right)-10\right\}\right]$