Question
The volume of a solid cone is 96 π cm³ and its height is 8cm. What is its total surface area (in cm²)?
r2 =96×3)/8 =288/8=36 r =6cm. now 
total surface area of cone = πr (r+L) =6 (6+10)π =96 π.More Previous year papers Questions
- There are 44 mangoes, 121 bananas and 11 apples, they have to be arranged in several rows in such a way that every row contains equal number of fruits and ...
- If one zero of the quadratic polynomial x² + 3x + k is 2, then the value of k is
- The number of marbles in three bags is in the ratio of 2 : 3 : 4. If 12 marbles are added to each bag, then the ratio changed to 8 : 11 : 14. The total num...
- Find the length of the arc of the sector of a circle of diameter 7 cm with a central angle of 108°. [Use п = 22/7]
- What is the compound interest on a sum of ₹25,000 after three years at a rate of 12 per cent per annum interest compounded yearly?
- Find the ratio in which rice at Rs. 7.20 a kg be mixed with rice at Rs. 5.70 a kg to produce a mixture worth Rs. 6.30 a kg.
- What is he value of x, if (5 + 4² ) ÷ 3 of x – 2 × 4 = –7?
- Vinita obtained an amount of ₹23,340 as simple interest on a certain amount at 15% per annum after 8 years. What was the amount invested by Vinita?
- The ratio of the speeds of a bus and a car is 7 : 11. If the car covers a distance of 396 km in 6 hours, what is the speed of the bus in km/h?
- If n is a natural number, then 6ⁿ– 5ⁿalways ends with
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)