Suppose $T$ contains the text

T $=$ 'INFORMATION AND COMMUNICATION TECHNOLOGY'

Find

$($i$)$ SUBSTRING $(T,17,24)$

$($ii$)$ INDEX $($T$,$ 'CATION'$)$

$($iii$)$ INSERT $(T,31,$ 'ENGINEERING $\text{'})$

$($iv$)$ DELETE$(T,13,18)$

$($v$)$ REPLACE $($ T$,$ 'TECINOLOGY', 'SCIENCE'$)$