New Delhi, Oct. 15 -- Nvidia and Apple have each pledged $25 million towards US President Donald Trump's proposed White House ballroom, as private donations for the project have reached $333 million, The Washington Post reported on Thursday.

The report raised questions about the interests of companies and wealthy individuals funding the project. The Post said the vast majority of the money had come from donors with interests before the federal government. It also reported that companies or executives of firms holding federal government contracts during Trump's second term accounted for half of the total funds raised.

The Adelson family, long-time financial supporters of Trump and the Republican Party, also pledged $25 million, as did bi...