This Class 5 GK Quiz, designed by Times Now Digital brings together 25 multiple-choice questions covering Science, History and Current Affairs. It can help you strengthen understanding of important ...

This GK Quiz, designed by Times Now Digital brings together 25 multiple-choice questions covering Science, History and ...

Explanation: The event horizon is the boundary beyond which nothing can escape the black hole’s gravity. Not even light. 2. The presence of black holes was predicted by? Ans: Albert Einstein ...