array:40 [
  "TEMP" => "/home/rahul_rajput/tmp"
  "TMPDIR" => "/home/rahul_rajput/tmp"
  "TMP" => "/home/rahul_rajput/tmp"
  "PATH" => "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/snap/bin"
  "USER" => "rahul_rajput"
  "HOME" => "/home/rahul_rajput"
  "SCRIPT_NAME" => "/public/index.php"
  "REQUEST_URI" => "/public/chapters/class-3/1070-numbers-up-to-9999/unit-all"
  "QUERY_STRING" => ""
  "REQUEST_METHOD" => "GET"
  "SERVER_PROTOCOL" => "HTTP/1.0"
  "GATEWAY_INTERFACE" => "CGI/1.1"
  "REDIRECT_URL" => "/public/chapters/class-3/1070-numbers-up-to-9999/unit-all"
  "REMOTE_PORT" => "46792"
  "SCRIPT_FILENAME" => "/home/rahul_rajput/web/v5.volt.vivadevops.com/public_html/VIVA_VOLT_LAYOUT/public/index.php"
  "SERVER_ADMIN" => "info@v5.volt.vivadevops.com"
  "CONTEXT_DOCUMENT_ROOT" => "/home/rahul_rajput/web/v5.volt.vivadevops.com/public_html/VIVA_VOLT_LAYOUT"
  "CONTEXT_PREFIX" => ""
  "REQUEST_SCHEME" => "https"
  "DOCUMENT_ROOT" => "/home/rahul_rajput/web/v5.volt.vivadevops.com/public_html/VIVA_VOLT_LAYOUT"
  "REMOTE_ADDR" => "216.73.216.92"
  "SERVER_PORT" => "443"
  "SERVER_ADDR" => "172.26.6.226"
  "SERVER_NAME" => "v5.volt.vivadevops.com"
  "SERVER_SOFTWARE" => "Apache/2.4.62 (Ubuntu) mod_fcgid/2.3.9 OpenSSL/3.0.2"
  "SERVER_SIGNATURE" => ""
  "HTTP_ACCEPT_ENCODING" => "gzip, br, zstd, deflate"
  "HTTP_USER_AGENT" => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  "HTTP_ACCEPT" => "*/*"
  "HTTP_CONNECTION" => "close"
  "HTTP_X_FORWARDED_FOR" => "216.73.216.92"
  "HTTP_HOST" => "v5.volt.vivadevops.com"
  "proxy-nokeepalive" => "1"
  "HTTPS" => "on"
  "REDIRECT_STATUS" => "200"
  "REDIRECT_HTTPS" => "on"
  "FCGI_ROLE" => "RESPONDER"
  "PHP_SELF" => "/public/index.php"
  "REQUEST_TIME_FLOAT" => 1747113749.4443
  "REQUEST_TIME" => 1747113749
]
Numbers up to 9999

Mathematics

Read

Textbook Exercises

Additional Activities
