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1: https://brainly.in/question/5054734
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2: http://www.geekinterview.com/question_details/12916
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3: https://tathagat.mba/puzzle-of-the-day-82/
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4: https://www.globalguideline.com/interview_questions/Answer.php?a=One_of_Mr_Hortonhis_wifetheir_sonand_Mr_Hortons_mother_is_a_doctor_and_another_is_a_lawyeraIf_the_do
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5: https://m4maths.com/2333-One-of-Mr-Horton-his-wife-their-son-and-Mr-Horton-s-mother-is-a-doctor-and-another-is-a.html
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6: https://interviewquestionsanswers.org/__One-of-Mr-Hortonhis-wifetheir-sonand-Mr-Hortons-mother-is-a-doctor-and-another-is-a-lawyeraIf-the-do
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7: http://www.entranzz.com/CAT/Verbal%20Ability%20and%20Logical%20Reasoning/Logical%20Connectives/42386.html
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8: https://questionbank.tuteehub.com/mcqs/one-of-mr-horton-his-wife-their-son-6349
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9: https://www.tuteehub.com/question-bank/general-aptitude-1/aptitude-n-logical-test/one-of-mr-horton-his-wife-their-son-28994
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10: https://baik.tips/one-of-mr-horton-his-wife-their-son-and-mr-hortons-mother-is-a-doctor-and.html
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11: https://books.google.com/books?id=E3GHeJ6OKGAC&pg=PA31&lpg=PA31&dq=One+of+Mr.+Horton,+his+wife,+their+son,+and+Mr.+Horton's+mother+is+a+doctor+and+another+is+a+lawyer.%0Aa)+If+the+doctor+is+younger+than+the+lawyer,+then+the+doctor+and+the+lawyer+are+not+blood%0Arelatives.&source=bl&ots=pWxB8pkqiD&sig=ACfU3U0g14opYAG4GdzpJqsnx6pLlh7aPw&hl=en&sa=X&ved=2ahUKEwiyquXAkNH0AhU7Ap0JHenVCbUQ6AF6BAgREAM
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