Embibe Experts Solutions for Chapter: Whole Numbers, Exercise 13: REVIEW EXERCISE

Simplify: 

$198\times 19-198\times 18$

Simplify: 

$2345\times 137-2345\times 37$

Simplify: 

$5318\times 93+7\times 5318$

Write the first three triangular numbers.

Write the first four square numbers.

If $a, b, c$ are any three whole numbers, then $a+b$ is always a whole number.

If $a, b, c$ are any three whole numbers, then $a-b$ is always a whole number.

If $a, b, c$ are any three whole numbers, then $a\times b$ is always a whole number.