Question

pen ka invention kisne Kiya hai?​

Answer 1

Answer:

László Bíró first sold the ballpoint pen in 1938, just before the onset of WWII. The pen may be mightier than the sword, but when Jewish-Hungarian journalist László Bíró invented the ballpoint pen in the 1930s clichéd sayings were probably the last thing on his mind...

Explanation:

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Answer 2

Answer:

John J Loud in 1888 issued the first ball point pen