Indian number system and the International number system Zeros in the International Number System Number Name Number Zeros Hundred 100 2 zeros Thousand 1,000 3 zeros Ten Thousand 10,000 4 zeros Hundred Thousand 100,000 5 ze…
1 lakh to 100 lakh and their equivalent numbers with zeros. In the Indian number system: 1 Lakh = 1,00,000 = 100,000 1 Lakh = 10⁵ Now the table: Lakh Number (Indian Format) Number (International Format) 1 Lakh 1,00,000 100,000 2 …
🔵 Sphere and Hemisphere (With Practical Examples, Formulas & Comparison – Beginner Friendly) Sphere ✅ Definition: A sphere is a perfectly round 3D shape in which all points on the surface are at equal distance from the c…
Difference Between Total Surface Area (TSA) and Curved Surface Area (CSA) Curved Surface Area (CSA) Definition: Curved Surface Area means the area of only the curved part of a solid. 👉 It does NOT include the top and bott…
🔷 Right Circular Cylinder vs Hollow Circular Cylinder Right Circular Cylinder ✅ Definition: A right circular cylinder is a solid 3D shape having: Two equal circular bases One curved surface The axis is perpendicular (90°) to …
MCQs on Lateral Surface Area (LSA) & Total Surface Area (TSA) 1. The lateral surface area of a cube of side 4 cm is: A) 64 cm² B) 96 cm² C) 48 cm² D) 32 cm² Answer: A (LSA = 4a² = 4×16 = 64) 2. The total surface area of …
Difference Between Lateral Surface Area (LSA) and Total Surface Area (TSA) When we talk about surface area , we mean the total area covered by the outside of a 3D object. But there are two types : ✅ Lateral Surface Area (LSA) ✅…
Difference Between Cube and Cuboid Both cube and cuboid are three-dimensional (3D) solid shapes, but they differ in dimensions and properties. 🔹 1. Definition ✅ Cube A cube is a 3D solid in which all sides (length, bread…
Linear Equations in Two Variables – MCQs (PYQs Level) By Home Academy | NDA, NTSE & Other Competitive Exams Practice Set 👉 Concept Reminder: A linear equation in two variables is of the form ax + by + c = 0 , where a, b, c…