The edge of a cube is 2a cm. Find its surface?
A. 6a2 cm2
B. 8a2 cm2
C. 12a2 cm2
D. 24a2 cm2
Explanation:
6a2 = 6 * 2a * 2a = 24a2
A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is h. If the total volume of the solid is three times the volume of the cone then the height of the cylinder is________?
A solid consists of a circular cylinder with an exact fitting right circular cone placed on the top. The height of the cone is h. If the total volume of the solid is three times the volume of the cone then the height of the cylinder is________?
A. 2h
B. 4h
C. 2h/3
D. 3h/2
If the radius of the sphere is doubled then it’s volume is increased by?
If the radius of the sphere is doubled then it’s volume is increased by?
A. 100 %
B. 200 %
C. 700 %
D. 800 %
The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.
The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.
A. 3 : 7
B. 7 : 3
C. 6 : 7
D. 7 : 6
A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is__________?
A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is__________?
A. 90 cm
B. 1 dm
C. 1 m
D. 1.1 cm
What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?
What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?
A. 344.35 cm2
B. 344.35 cm2
C. 344.35 cm2
D. None of these
Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
Which of the following features of a permanent maxillary lateral incisor aids in distinguishing it from a mandibular lateral incisor ?
A. Flattened root
B. More pronounced lingual fossa
C. Thinner incisal ridge
D. Sharper proximal incisal angles
The total number of cingula in each dentition is_______________?
The total number of cingula in each dentition is_______________?
A. 6
B. 12
C. 24
D. 32
A maxillary right canine may be distinguished from a maxillary left canine because ____________?
A maxillary right canine may be distinguished from a maxillary left canine because ____________?
A. The root curves to mesial in the apical 1/3rd
B. The distal half of canine shows more convexity than the mesical half
C. Facially the cusp tip is placed distal to Bisecting line
D. Lingually the cervical line slopes mesially
Number of roots in maxillary 2nd molar is_______________?
Number of roots in maxillary 2nd molar is_______________?
A. 2
B. 3
C. 4
D. 5