A solid metallic cone is melted and recast into a solid cylinder of the same base as that of the cone. If the height of the cylinder is 7 cm, the height of the cone was
A20 cm
B21 cm
C28 cm
D24 cm
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
If the sides of a triangle are 8,6,10cm, respectively. Then its area is:
ഒരു വൃത്തസ്തംഭത്തിന്റെ വ്യാപ്തവും ആരവും യഥാക്രമം 3080 ഉം 7 ഉം ആണ്. വൃത്തസ്തംഭത്തിന്റെ ഉയരം എന്താണ്?
The height of trapezium is 68 cm , and the sum of its parallel sides is 75cm. If the area of trapezium is times of the area of square, the the length of diagonal of the square is? (Take )
Read the statements carefully and answer the question which follow:A cube has six sides each of a different colour. The red side is opposite black. The green sideis between red and black. The blue side is adjacent to white. The brown side is adjacent to blue. The red side is face down. The side opposite brown is:•
The edges of a cuboid are in the ratio 1 : 2 : 3 and its surface area is 88cm2 . The volume of the cuboid is :