Question
A rectangular piece of copper foil of length 21 cm and area 462 cm2 is folded along its width to form a cylinder such that there is only one layer of copper foil on any part of the cylinder. What is the volume (in cm3) of the cylinder so formed?
More Mensuration Questions
- Compute the diameter of the incircle of a triangle where the semi-perimeter is 30 cm and the area is 90 cm².
- In a right-angled triangle, the hypotenuse is 13 cm and one of the legs is 5 cm. What is the area of the triangle?
- If the height of a cylinder becomes triple and radius is decreased by 20%, then what is the percentage change in its volume?
- The length and breadth of a rectangle are increased by 20% and 30% respectively. The increase in the area of the resulting rectangle will be:
- Perimeter of a square is equal to perimeter of a rectangle, if area of square is 900 sq.cm and length of rectangle is four times that of breath. Find the a...
- The average cost of two chairs is Rs. 15000. The average cost decrease by 30% when one more chair is included. What is the cost price of the 3 rd chair?
- A rod of length of 616 cm and 35cm radius is melted and converted into a sphere of radius 21cm, find how many such proper spheres can be made?
- 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...
- Find the area of a regular hexagon whose side is half of the side of a square whose perimeter is 152 cm.
- The ratio of the length to breadth of a rectangular playground is 7:5. If the cost of fencing the playground at the rate of Rs. 4 per metre is Rs. 1920, th...
Relevant for Exams:
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)