InterviewSolution
Saved Bookmarks
| 1. |
If the total surface area of a cuboid of length 6 cm and breadth 5 cm is 126 sq cm, then its height is:1. 5 cm2. 3.5 cm3. 4 cm4. 3 cm |
|
Answer» Correct Answer - Option 4 : 3 cm Given: Total surface area of a cuboid =126 sq. cm Length and breadth of the cuboid is 6 cm and 5 cm respectively Concept used: Total surface area of a cuboid =2(lb + bh + hl) ⇒ 2(30 + 5h + 6h) =126 ⇒ 60 + 10h + 12h =126 ⇒ 22h =66 ⇒ h =3 cm ∴ The height of the cuboid is 3 cm
|
|