← Back to Quizzes Hints: 2/2 Numbers Set – 7 Easy Start Your name (optional): Share Certificate Browse Quizzes Play Again [{"type":"single","prompt":"27 + 39 = ?","options":["54","56","66","68"],"answer":[2],"explanation":"27 + 39 \u2192 27 + 30 = 57, 57 + 9 = 66.","hint":"Break 39 into 30 and 9 for easier addition."},{"type":"single","prompt":"96 \u2212 47 = ?","options":["39","41","47","49"],"answer":[3],"explanation":"96 \u2212 40 = 56, 56 \u2212 7 = 49.","hint":"Subtract in two steps: tens, then units."},{"type":"single","prompt":"7 \u00d7 6 = ?","options":["36","40","42","48"],"answer":[2],"explanation":"7 times 6 is 42.","hint":"Recall basic multiplication table of 7."},{"type":"single","prompt":"144 \u00f7 12 = ?","options":["10","11","12","14"],"answer":[2],"explanation":"12 \u00d7 12 = 144, so 144 \u00f7 12 = 12.","hint":"Think \u201cWhich number times 12 makes 144?\u201d"},{"type":"single","prompt":"Find the missing number: 10, 20, 30, 40, ?","options":["45","48","50","60"],"answer":[2],"explanation":"Each term increases by +10 \u2192 40 + 10 = 50.","hint":"Look at the common difference in the series."},{"type":"single","prompt":"25% of 200 is:","options":["25","40","45","50"],"answer":[3],"explanation":"25% means 1\/4 \u2192 200 \u00f7 4 = 50.","hint":"Convert 25% to a fraction (1\/4)."},{"type":"single","prompt":"3\/5 of 40 is:","options":["20","22","24","26"],"answer":[2],"explanation":"1\/5 of 40 = 8; 3\u00d78 = 24.","hint":"First find 1\/5, then multiply by 3."},{"type":"single","prompt":"What is the sum of the digits of 702?","options":["7","8","9","10"],"answer":[2],"explanation":"7 + 0 + 2 = 9.","hint":"Add each digit separately."},{"type":"single","prompt":"A toy costs \u20b9150 and is sold at a 10% discount. What is the selling price?","options":["\u20b9130","\u20b9135","\u20b9140","\u20b9145"],"answer":[1],"explanation":"10% of 150 = 15; selling price = 150 \u2212 15 = 135.","hint":"Find the discount amount, then subtract from 150."},{"type":"single","prompt":"A car travels 120 km at a speed of 40 km\/h. How long does it take?","options":["2 hours","2.5 hours","3 hours","3.5 hours"],"answer":[2],"explanation":"Time = Distance \u00f7 Speed = 120 \u00f7 40 = 3 hours.","hint":"Use T = D \u00f7 S (time = distance \u00f7 speed)."}]
