← Back to Quizzes Hints: 2/2 Brain Teaser Set – 10 Easy Start Your name (optional): Share Certificate Browse Quizzes Play Again [{"type":"single","prompt":"If TREE = 80 and LEAF = 36, what is ROOT?","options":["70","72","74","76"],"answer":[1],"explanation":"Sum of letters \u00d71.5 \u2192 48\u00d71.5=72.","hint":"Multiply sum by 1.5."},{"type":"single","prompt":"Which is different?","options":["Knife","Fork","Spoon","Plate"],"answer":[3],"explanation":"Plate is not a tool used for eating.","hint":"Functional difference."},{"type":"single","prompt":"Series: 4, 9, 19, 39, 79, ?","options":["159","169","189","199"],"answer":[0],"explanation":"\u00d72+1 pattern \u2192 79\u00d72+1=159.","hint":"Multiply by 2, add 1."},{"type":"single","prompt":"Some actors are singers; all singers are dancers.","options":["Only 1","Only 2","Both","Neither"],"answer":[0],"explanation":"Chain link shows only 1 true.","hint":"Subset logic."},{"type":"single","prompt":"If DAY=25 and NIGHT=70, then LIGHT=?","options":["50","55","60","65"],"answer":[2],"explanation":"Sum letters \u00d7 vowel count \u2248 60.","hint":"Add vowel weight."},{"type":"single","prompt":"Arrange alphabetically:","options":["iii, iv, i, ii","iv, iii, i, ii","iv, ii, i, iii","iii, i, ii, iv"],"answer":[0],"explanation":"A N T \u2192 A N G \u2192 A P \u2192 A P R.","hint":"Dictionary order."}]
