डायनामाइट के आविष्कारक कौ� – McqOptions

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1.	डायनामाइट के आविष्कारक कौन हैं ?
A.	अल्फ्रेड नोबल
B.	न्यूटन
C.	प्रिस्टले
D.	रैक्जे
Answer» B. न्यूटन

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