Question
Three cubes of equal volume are joined end to end. Find the surface area of the resulting cuboid if the diagonal of the cube is 7√3cm.
More Mensuration Questions
- The sum of the total surface areas of two cubes is 1326 cm2. If the product of the length of their edges is 98 cm2, then find the difference (in cm) betwee...
- Find the circumference and area of a circle of radius 7 cm. Take π = 22/7.
- If the brick size is 25 cm×12 cm×9 cm, then how many bricks are required to construct a wall of length 10 m, breadth 22.5 cm and height 6 m?
- The base of a triangular field is 400 metres and its height 250 metres. Find the area of the field and also calculate the charges for supplying water to th...
- A salesman’s terms were changed from a flat commission of 9% on all his sales to a fixed salary of Rs. 4000 plus 4% commission on all sales exceeding Rs. 1...
- The length of a cuboid is 8 cm and breadth is 7 cm. If the volume of the cuboid is 392 cubic cm, find the total surface area of the cuboid.
- Water flows into a tank which is 200m long and 120 m wide, through a pipe of cross- section 0.3 m × 0.2 m at 20 km/hr. then the time ( in hr) for the water...
- A right circular cone has a height of 24 cm and a base radius of 9 cm. What is the total surface area of the cone, including the base?
- A large metallic sphere of radius 21 cm is melted and used to make small cuboidal bars of dimensions 7 cm × 6 cm × 3 cm. Find the number of bars that can b...
- A wire is bent to form a square whose sides are of 99 cm. If the same wire is bent to form a circle, then find the area (in cm2) of the circle formed.
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)
Given – diagonal = a√3cm =7√3cm a = 7cm Visible faces =14 Surface area of visible faces: - 14a² =14 ×49 =686cm²