Study HubHubPage 25/62Scan verified MCQs with the answer highlighted, then open explanations when you want the reasoning.
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History of numbers
Who is credited with the discovery of zero?
The concept of zero as a number was developed in ancient India, notably by mathematicians like Brahmagupta, not by Al-Khwarizmi or the other options listed. Therefore, none of the given options correctly identify the discoverer of zero.
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Percentages
If 30% of a number is 12.6, then what is the number?
30% of the number equals 12.6, so the number can be found by dividing 12.6 by 0.30, which gives 42.
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Nuclear treaties
The Comprehensive Nuclear-Test-Ban Treaty (CTBT) is of:
The Comprehensive Nuclear-Test-Ban Treaty (CTBT) is intended to ban all nuclear explosions indefinitely, meaning it is of unlimited duration. This makes option B correct.
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Vocabulary
She has many interests and insightful opinions on a wide variety of topics. Which word best describes her?
The word 'Multifaceted' means having many aspects or sides, which fits the description of someone with many interests and insightful opinions on various topics. 'Unifaceted' is not a standard English word, 'Bilateral' refers to two sides, and 'None of these' is incorrect here.
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Vaccines
Who among the following invented the vaccine for smallpox?
Edward Jenner is credited with inventing the smallpox vaccine in 1796 by using material from cowpox lesions to create immunity to smallpox. This was the first successful vaccine developed.
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Vocabulary
The woman loves to show her --------- by wearing diamonds and furs.
The correct word is 'Affluence,' which means wealth or abundance of possessions, fitting the context of showing wealth by wearing diamonds and furs. 'Afficiancy' is not a correct English word, 'Accuracy' is unrelated, and 'None of these' is incorrect since option A is correct.
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Vocabulary
The stained tablecloth ----------- from the fine china and lovely flowers the hostess had put on the table.
The correct word is 'detracted' because it means to reduce the value or quality of something. The stained tablecloth diminished the appeal of the fine china and lovely flowers, so 'detracted' fits best. 'Attracted' is incorrect as it implies drawing attention positively, 'dirty' is an adjective and does not fit grammatically, and 'None of these' is unnecessary.
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Urdu literature
Ahmad Nadeem Qasmi, famous Urdu poet, died in:
Ahmad Nadeem Qasmi, a renowned Urdu poet, died on 10 July 2006. The options given are all for September of various years, which are incorrect. Therefore, the correct answer is 'D' (None of these), as the exact month of his death is July, not September.
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Vocabulary
The storeowner ------------ didn't convince me that he knew nothing about what caused the fire.
The sentence is incomplete and grammatically incorrect as given. None of the options (Testimony, Hexalogy, Determined) fit logically or grammatically to complete the sentence meaningfully. Therefore, 'None of these' is the correct choice.
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Middle East
What is Hamas?
Hamas is a Palestinian Islamist political and militant organization, widely recognized as a radical group involved in the Israeli-Palestinian conflict. It is not Lebanese or American, making option A correct.