, 18.10.2019 11:00, sabina3193

# Aright angled triangle whose sides are 3cm 4cm 5cm is revolved about the sides containing the right angle in two ways . find the diffrrence in volume of the two cones formed .also find their curved surfaces

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What will be least number of marbles with rohit if he can arrange them in rows of 18, 10 and 15 marbles each as well as make a perfect solid square out of all the marbles?
$${64}^{2 \div 3} +3 \sqrt{125 } + {3}^{0} + 1 \div {2}^{ - 5} + {27}^{ - 2 \div 3} \times {(25 \div 9)}^{ - 1 \div 2 }$$​