Alfred Nobel had a hit in the mid-1800s with his invention, in what?
A. Grandfather Clock
B. Invention of the word ‘Noble.’
D. Peanut Butter as an Explosive
All Quiz (Random)If vs. WhetherIf vs. Whether
Next quiz: Aptitude : Problems on Trains
Two trains are running in opposite directions with the same speed. If the length of each train is 120 metres and they cross each other in 12 seconds, then the speed of each train (in km/hr) is:
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