NEB Class 12 Mathematics case studies
NEB Class 12 Mathematics · Put your knowledge to work in context.
NEB Grade 12 Mathematics is the mathematics paper of Nepal's Class 12 national examination, set by the National Examinations Board (NEB), Sanothimi, Bhaktapur. Candidates reach it at the end of Class 12, after the Class 11 subject registration (विषय दर्ता) and the Class 12 exam application, both of which NEB processes through its own online forms and notices. It is not a single paper but a family: NEB notices and re-totaling results list Compulsory Mathematics (अनिवार्य गणित), Optional Mathematics and Business Mathematics as separate entry subjects under separate subject codes, so you sit the one your stream and registration require. The syllabus builds on Class 11 and typically spans algebra, trigonometry, coordinate geometry, vectors and their products, limits and derivatives with applications, integration, and statistics and probability - but confirm the current unit list and mark distribution against NEB's Grade 12 Assessment Framework and the approved curriculum rather than relying on memory. The NEB Class 12 Mathematics case studies are 5 cases and about 2,532 words.
1Canteen Prices and a Singular Matrix
A school runs two canteens, North and South. On Monday the North canteen sold 40 samosas and 25 glasses of juice for a total of Rs 3,275, while the South canteen sold 32 samosas and 20 glasses of juice for Rs 2,620.
543 words, about 3 min2Ferris Wheel Height and a False Advertisement
An amusement park Ferris wheel has a diameter of 40 m. Its centre is 25 m above the ground, and it rotates once every 3 minutes.
346 words, about 2 min3Drone Corridor and a Circular No-Fly Zone
A drone flies in a straight line across a coordinate grid where one unit represents 100 m. It starts at point A(1, 2) and is programmed to reach point B(9, 8) at constant speed.
602 words, about 3 min4Cylindrical Container Cost under a Press Limit
A metalworks company makes open-top cylindrical containers of volume 1,000 cm³. The base is cut from a stronger alloy costing 3 paisa per cm², while the curved side uses a cheaper sheet costing 2 paisa per cm².
532 words, about 3 min5Defective Bulbs from Two Suppliers
A school buys LED bulbs from two suppliers. Supplier A provides 60% of the bulbs and has a 3% defect rate; Supplier B provides 40% and has an 8% defect rate.
509 words, about 3 min