Area and Volume

Question : Radius of sphere is increased by 50 percent. What will be the percentage increase in its volume?प्रश्न: एक गोले की त्रिज्या 50 प्रतिशत बढ़ जाती है। इसकी आयतन मात्रा में कितने प्रतिशत की वृद्धि होगी? Answer: 3. 237.5 percent Solution:Volume = r = Radius From above formula : volume is directly proportional to […]

Question: What is the curved surface area of a cylinder having radius of base as 70 cm and height 14 cm ? Answer: 1. 6160 Solutions: csa=2(3.14)r X h=6154 nearest answer 6160