This one worked for me...
="1.0"="utf-8"
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:m="http://www.w3.org/1998/Math/MathML"
xmlns:qti="http://www.imsglobal.org/xsd/imsqti_v2p1">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/">
<xsl:apply-templates />
</xsl:template>
<xsl:template match="qti:p1">
<xsl:copy-of select="." />
</xsl:template>
</xsl:stylesheet>
oR
="1.0"="utf-8"
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:m="http://www.w3.org/1998/Math/MathML"
xmlns:qti="http://www.imsglobal.org/xsd/imsqti_v2p1">
<xsl:output method="xml" indent="yes"/>
<xsl:template match="/">
<xsl:apply-templates />
</xsl:template>
</xsl:stylesheet>