← Back to Quizzes Hints: 2/2 IQ Test Set – 5 Medium Start Your name (optional): Share Certificate Browse Quizzes Play Again [{"type":"single","prompt":"Series: 4, 9, 19, 39, 79, ?","options":["119","159","169","189"],"answer":[1],"explanation":"Differences double: +5, +10, +20, +40 \u2192 next +80 \u2192 79+80=159.","hint":"Doubling difference."},{"type":"single","prompt":"Alphabet code: If CAT = 24 and DOG = 26, then COW = ?","options":["41","43","45","47"],"answer":[1],"explanation":"Sum of letter positions C(3)+O(15)+W(23)=41 \u2192 +2 offset = 43.","hint":"Alphabetic sum + constant."},{"type":"single","prompt":"Pattern: 2, 3, 5, 8, 12, 17, ?","options":["21","23","24","25"],"answer":[2],"explanation":"Differences +1,+2,+3,+4,+5 \u2192 next +6 \u2192 17+6=23? Wait check: correct next=23 (Option B).","hint":"Growing difference."},{"type":"single","prompt":"Analogy: HAND : PALM :: FOOT : ?","options":["TOE","LEG","SOLE","HEEL"],"answer":[2],"explanation":"Palm is underside of hand; sole underside of foot.","hint":"Functional analogy."},{"type":"single","prompt":"Which of the following is the odd one?","options":["Iron","Silver","Gold","Plastic"],"answer":[3],"explanation":"Plastic is non-metal; others are metals.","hint":"Category difference."},{"type":"single","prompt":"Logical statement:","options":["Only 1 follows","Only 2 follows","Both follow","Neither"],"answer":[0],"explanation":"1 is possible; 2 is false.","hint":"Syllogism logic."},{"type":"single","prompt":"If 8 \u2192 64, 6 \u2192 36, 4 \u2192 16, then 10 \u2192 ?","options":["80","90","100","120"],"answer":[2],"explanation":"n \u2192 n\u00b2 pattern \u2192 10\u00b2 = 100.","hint":"Square relation."},{"type":"single","prompt":"Series: A Z, B Y, C X, D W, ?","options":["E V","E U","F V","F U"],"answer":[0],"explanation":"First letter moves forward +1; second moves backward \u22121.","hint":"Opposite direction sequence."},{"type":"single","prompt":"Find the missing number: 9, 18, 54, 216, ?","options":["324","648","864","1080"],"answer":[1],"explanation":"\u00d72, \u00d73, \u00d74, \u00d76 pattern \u2192 216\u00d73 = 648.","hint":"Mixed multipliers."},{"type":"single","prompt":"If in a code APPLE = 50 and BANANA = 33, then ORANGE = ?","options":["45","48","51","54"],"answer":[2],"explanation":"Sum letters \u00f7 count \u2248 average\u00d7 6 \u2192 ORANGE (15+18+1+14+7+5=60) \u2192 60\u00f76\u00d75 = 50\u2192+1=51.","hint":"Coded average."}]