PPSC SECRETARY A, B CLASS MARKET COMMITTEE PAST PAPER 17-10-2026
PPSC 25
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چار آپشن میں سے کسی ایک پر کلک کرنے سے جواب سرخ ہو جائے گا۔
فاؤنٹین قلم کس نے ایجاد کیا؟
- Joseph Niepce
- Waterman
- Edwin Land
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
Explanation
- Lewis Waterman invented the first practical fountain pen in 1884.
- He was an American inventor who improved the ink-feeding system.
- His design regulated ink flow and reduced leakage.
- The fountain pen stores ink in a reservoir and delivers it to the nib.
Last verified on 29-10-2026
