1.Example:
1. (567)8 = ( ?)16
Solution: (567)8=( )16
First convert octal to binary (567)8=( )2 ̲ 5 6 7 101 110 111
∴(567)8=(1011101112 101110111
Now convert binary to hexadecimal (101110111)2=( )16
0001 0111 0111 1 7 7
∴(101110111)2=( 177)16
∴(567)8=(177)16