GATE Operations Research and Operations Management: Engineering Economy and Costing – Previous Year Questions
8 GATE previous year questions on Engineering Economy and Costing (Operations Research and Operations Management, Production and Industrial Engineering) with answers and explanations, from every paper.
- GATE 2021 PI Q51 – A machine initially costs ₹1000000 and has salvage ₹50000 after ten years. Using straight-line depreciation, find book value at end of year 7 in…
- GATE 2022 PI Q34 – A ₹65000 machine has salvage value ₹5000. Straight-line annual depreciation is ₹10000. Find useful life in years (integer).
- GATE 2022 PI Q64 – A plant produces 24 electric cars/day. Setup cost is ₹19476 million, variable cost ₹0.6 million/car and selling price ₹1.5 million/car. Find days to…
- GATE 2023 PI Q65 – Products P and Q sell in a 10:1 ratio. Fixed cost is ₹140000. Selling prices are ₹10/unit for P and ₹40/unit for Q; variable costs are ₹5 and ₹20/unit…
- GATE 2024 PI Q63 – Machines A,B are bought together. A: price ₹20000, life ten years, salvage ₹5000. B: price ₹15000, life twenty years, salvage ₹5000. With…
- GATE 2025 PI Q32 – A toy company can make batteries with annual fixed cost ₹2,00,000 and variable cost ₹70/unit, or buy at ₹90/unit. Find annual demand at the…
- GATE 2026 PI Q32 – A customer invests ₹2,00,000 now for payouts of ₹1,00,000 yearly for three consecutive years. Discount rate is 15% per year. Find investment NPV (₹,…
- GATE 2026 PI Q57 – A product has fixed cost ₹3,00,000 and variable cost ₹150/unit. Selling 5000 units produces profit equal to 20% of sales revenue. Find break-even…