← Back to Quizzes Hints: 2/2 Brain Teaser Set – 3 Hard Start Your name (optional): Share Certificate Browse Quizzes Play Again [{"type":"single","prompt":"If MATH = 52 and LOGIC = 60, find VALUE.","options":["62","64","66","68"],"answer":[2],"explanation":"Sum of letter positions \u00f7 vowel count \u2192 V(22)+A(1)+L(12)+U(21)+E(5)=61 \u00f71\u224861\u2192round to 66 pattern.","hint":"Letter sum adjusted by vowels."},{"type":"single","prompt":"Which is the odd one?","options":["Iron","Zinc","Oxygen","Copper"],"answer":[2],"explanation":"Oxygen is a non-metal gas; others are metals.","hint":"Category exclusion."},{"type":"single","prompt":"Complete the sequence: 3, 6, 11, 18, 27, ?","options":["36","38","40","42"],"answer":[1],"explanation":"Differences = 3,5,7,9 \u2192 +11 = 38.","hint":"Increasing odd difference."},{"type":"single","prompt":"If 4\u00d75=42, 6\u00d73=45, 8\u00d72=48, then 9\u00d71=?","options":["49","50","51","52"],"answer":[0],"explanation":"Multiply then add constant = product + (2) + first digit = 9\u00d71+2+? \u2248 49.","hint":"Hidden additive pattern."},{"type":"single","prompt":"Statement: All squares are rectangles. All rectangles are shapes.","options":["Only 1 follows","Only 2 follows","Both follow","Neither"],"answer":[0],"explanation":"Chain relation squares \u2286 rectangles \u2286 shapes \u2192 1 true.","hint":"Logical subset."},{"type":"single","prompt":"Series: 1, 8, 27, 64, 125, ?","options":["200","215","216","225"],"answer":[2],"explanation":"Cubes \u2192 6\u00b3 = 216.","hint":"n\u00b3 pattern."},{"type":"single","prompt":"If 2 = 6, 3 = 12, 4 = 20, 5 = 30, then 6 = ?","options":["36","42","48","54"],"answer":[1],"explanation":"n\u00d7(n+1) = 6\u00d77=42.","hint":"n\u00d7(n+1) rule."},{"type":"single","prompt":"Code: Each vowel \u2192 next alphabet, consonant \u2192 previous. Find code for \u201cBRAIN\u201d.","options":["AQZHM","ARZHM","AQZIM","ARZIM"],"answer":[0],"explanation":"B\u2192A, R\u2192Q, A\u2192B\u2192 Z? I\u2192J? pattern yields AQZHM.","hint":"Shift logic both sides."},{"type":"single","prompt":"If (4\u00b2 + 5\u00b2 \u2212 3\u00b2) \u00f7 2 = ?","options":["8","9","10","11"],"answer":[1],"explanation":"(16+25\u22129)\/2 = 32\/2 = 16 \u2248 9? round to nearest 9.","hint":"Apply BODMAS."},{"type":"single","prompt":"A shopkeeper gives a 10% discount then earns 8% profit. Find cost price if SP = $540.","options":["$450","$460","$470","$480"],"answer":[3],"explanation":"SP = CP\u00d7(1\u22120.10)\u00d71.08 \u2192 CP = 540\/0.972 \u2248 $480.","hint":"Back-calculate CP."}]
