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In which year was the zipper invented?

In which year was the zipper invented?

A. 1851

B. 1893

C. 1905

D. 1923

Correct Answer: B. 1893

Explanation: The zipper was patented by Whitcomb L. Judson in 1893, later improved by others.

Hazara University is located in which city?

Indra Nooyi, a renowned businesswoman and former CEO of PepsiCo, is originally from which country?

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