1. A cation with +1 electrons, how many protons does it contain: 10
2. The only player in cricket history who score century in ODI and test on his debut: Abid Ali
3. Halaku Khan sacked Baghdad in: 1258 AD
4. In 1761 who defeated marhattas: Ahmed Shah Abdali
5. When Benazir Bhutto become Prime Minister of Pakistan for second time: 1993

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