A cuboid has dimensions 10 cm, 6 cm and 4 cm. What is its total surface area?
एक घनाभ (Cuboid) की विमाएँ 10 cm, 6 cm और 4 cm हैं। इसका कुल पृष्ठीय क्षेत्रफल (Total surface area) क्या है?
Answer और ExplanationAnswer and explanation
Answer: (C) 248 cm²
TSA = 2(lb + bh + hl) = 2(10 × 6 + 6 × 4 + 4 × 10)
= 2(60 + 24 + 40) = 2 × 124 = 248 cm²
✓
घनाभ (Cuboid) का कुल पृष्ठीय क्षेत्रफल (Total surface area) 248 cm² है।
TSA = 2(lb + bh + hl) = 2(10 × 6 + 6 × 4 + 4 × 10)
= 2(60 + 24 + 40) = 2 × 124 = 248 cm²
✓
The total surface area is 248 cm².
Source: Selection Post Phase XIV (12th) · 19 Sep 2026 · Shift 2। Solution: Prashant Sir, Vijayastra।Source: Selection Post Phase XIV (12th) · 19 Sep 2026 · Shift 2. Solution by Prashant Sir, from Vijayastra.