I suppose it depends who, but personally I'd be honest! :)
You can say "ɛte sɛn?" in Twi to ask someone how they are doing today.
Waz up? What's up? How are you doing?
"Sta radis?" Pronounced: "shta ra-dish"
In Igbo, you can say "Kedu ka ị mere?" to ask how someone is doing.
In the Philippines, you can say "Kamusta ka ngayon?" to ask how someone is doing today.
In Flemish, you can say "Hoe gaat het met je?" to ask someone how they are doing.
In Krio language, you would say "How you dey?" to ask someone how they are doing.
In Brazilian Portuguese, you would say "O que você está fazendo?" to ask someone what they are doing.
Hoe gaat het met je ?
In Slovenian, "What are you doing?" is translated as "Kaj delaš?" This phrase can be used in both formal and informal contexts. If you want to ask someone in a more formal way, you can say "Kaj delate?"
Tell her what you are doing.
Why would my ex say "I am doing well"?