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OIC
Where is the headquarters of the Organization of Islamic Cooperation (OIC) located?
The headquarters of the Organization of Islamic Cooperation (OIC) is located in Jeddah, Saudi Arabia. This is a well-established fact and the correct answer is option A.
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Inventors
Who is the inventor of the refrigerator?
James Harrison is credited with inventing the first practical mechanical refrigeration system in the 1850s, making him the inventor of the refrigerator. The other options are incorrect: John Bardeen (not Brattain) was a physicist known for the transistor, and Nikola Tesla was an inventor known for electrical engineering but not refrigeration.
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OIC
When was the Organization of the Islamic Conference established?
The Organization of the Islamic Conference (OIC) was established in 1969 following a summit in Rabat, Morocco, making 1969 the correct year of its founding.
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European Parliament
The General Secretariat of the European Parliament is located in:
The General Secretariat of the European Parliament is located in Luxembourg. This is the administrative office that supports the Parliament's activities, and Luxembourg hosts one of the Parliament's official seats.
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Inventors
Who invented the fountain pen?
Lewis Waterman is credited with inventing the first practical fountain pen in 1884, improving the ink feed mechanism to prevent leaks and provide a reliable writing instrument. This innovation made the fountain pen commercially successful.
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SAARC
Which country played a pivotal role in the formal launching of SAARC at the first Summit held in Dhaka in 1985?
Bangladesh played a pivotal role in the formal launching of SAARC as the first summit was held in Dhaka in 1985, where the organization was officially established. This makes Bangladesh the correct answer.
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Inventors
Who invented the knitting machine?
William Lee invented the first knitting machine in 1589, which mechanized the process of knitting and greatly influenced textile manufacturing.
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Martial Law
On 7 October 1958, Martial Law was proclaimed by:
On 7 October 1958, President Iskander Mirza declared Martial Law in Pakistan, marking the first imposition of Martial Law in the country's history. This action led to the dismissal of the civilian government and the beginning of military rule under Ayub Khan.
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Algebra/Percent
The sum of the number of boys and girls in a school is 150. If the number of boys is x, then the number of girls is x% of the total number of students. What is the number of boys?
Let the number of boys be x and the number of girls be 150 - x. Given that the number of girls is x% of the total students, so 150 - x = (x/100) * 150. Solving this equation gives x = 65.
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Speed and Distance
John is travelling to a meeting that is 28 miles away. He needs to be there in 30 minutes. How fast does he need to go to make it to the meeting on time?
To cover 28 miles in 30 minutes (which is 0.5 hours), the speed required is calculated by dividing the distance by the time: speed = 28 miles ÷ 0.5 hours = 56 mph. Therefore, the correct answer is option C (56 mph). The original question had the correct calculation in the explanation but incorrectly marked option D as the correct answer. This has been corrected to option C.