The base of an isosceles triangle is 6 cm and its perimeter is 16 cm. Its area is
(A)
(B)
(C)
(D)
A solid copper sphere of radius 1.2 cm is converted into a right circular cylinder rod of length 16 cm. The ratio of total surface area of the rod to the sphere is
(A) 7 : 3
(B) 7 : 4
(C) 7 : 5
(D) 7 : 6
If the area of a triangle is 1176 cm2 and the ratio of base corresponding altitude is 3 : 4, then the altitude of the triangle is :
(A) 42 cm
(B) 52 cm
(C) 54 cm
(D) 56 cm
The total surface area of a solid right circular cylinder is twice that of a solid sphere. If they have the same radii, the ratio of the volume of the cylinder to that of the sphere is given by
(A) 9:4
(B) 2:1
(C) 3:4
(D) 4:9
The perimeter of a square and a circular field are same. If the area of circular field is 3850 sq meter. What is the area in meter of the square?
(A) 4225
(B) 3025
(C) 2500
(D) 2025
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