← Back to Quizzes Hints: 2/2 Brain Teaser Set – 11 Medium Start Your name (optional): Share Certificate Browse Quizzes Play Again [{"type":"single","prompt":"If ALPHA = 50 and BETA = 40, then GAMMA = ?","options":["52","54","56","58"],"answer":[2],"explanation":"Sum letters + (vowel count \u00d7 2) \u2192 pattern fits 56.","hint":"Alphabet value sum with vowel weight."},{"type":"single","prompt":"Which is different?","options":["Square","Rectangle","Rhombus","Circle"],"answer":[3],"explanation":"Circle is not a quadrilateral; the others are.","hint":"Shape property."},{"type":"single","prompt":"Sequence: 5, 10, 17, 26, 37, ?","options":["48","49","50","52"],"answer":[2],"explanation":"Differences +5, +7, +9, +11 \u21d2 next +13 = 50.","hint":"Increasing odd gaps."},{"type":"single","prompt":"Statements: All roses are plants. Some plants are trees.","options":["Only 1 follows","Only 2 follows","Both follow","Neither"],"answer":[3],"explanation":"No direct link from roses to trees is guaranteed; 2 is false.","hint":"Syllogism\u2014don\u2019t assume overlap."},{"type":"single","prompt":"Compute: (12 \u00d7 3) \u2212 (8 \u00f7 4) + 6","options":["40","42","44","46"],"answer":[0],"explanation":"36 \u2212 2 + 6 = 40.","hint":"Apply \u00d7\/\u00f7 before +\/\u2212."},{"type":"single","prompt":"If a \u2206 b = a\u00b2 \u2212 b\u00b2, find 7 \u2206 3.","options":["28","30","35","40"],"answer":[3],"explanation":"7\u00b2 \u2212 3\u00b2 = 49 \u2212 9 = 40.","hint":"Difference of squares."},{"type":"single","prompt":"A\u2019s salary is 20% more than B\u2019s. If B earns $2000, A earns ?","options":["$2200","$2300","$2400","$2500"],"answer":[2],"explanation":"$2000 \u00d7 1.20 = $2400.","hint":"Percentage increase."},{"type":"single","prompt":"Average of first 10 natural numbers = ?","options":["5","5.5","6","6.5"],"answer":[1],"explanation":"(1 + 10) \/ 2 = 5.5.","hint":"Mean of 1..n."},{"type":"single","prompt":"If 20% of a number = 40, then the number = ?","options":["150","180","200","220"],"answer":[2],"explanation":"40 \u00d7 100 \/ 20 = 200.","hint":"Reverse percentage."},{"type":"single","prompt":"12 men finish a job in 9 days. How long for 18 men?","options":["5","6","7","8"],"answer":[1],"explanation":"Men \u00d7 Days = constant \u21d2 12\u00d79 = 108; 108\/18 = 6 days.","hint":"Inverse proportion."}]
