Who has bee named america's richest person 2015 ?
options
1) Sam walton
2) Jack dorsey
3) Elon musk
4) Bill gates
answer
4) Bill gates
other details
Microsoft co-founder Bill Gates retains the top spot on the Forbes list of America's 400 richest people for the 22nd straight year
options
1) Sam walton
2) Jack dorsey
3) Elon musk
4) Bill gates
answer
4) Bill gates
other details
Microsoft co-founder Bill Gates retains the top spot on the Forbes list of America's 400 richest people for the 22nd straight year
