# The ratio of the numbers giving the measures of the circumference and the area of a circle of radius 3 cm is

1.  1: 3

2.  2: 3

3.  2: 9

4.  3: 2

4

2: 3

Explanation :
No Explanation available for this question

# If the length and the perimeter of a rectangle are in the ratio 5: 16, then its length and breadth will be in the ratio

1.  5: 11

2.  5: 8

3.  5: 4

4.  5: 3

4

5: 3

Explanation :
No Explanation available for this question

# The perimeters of two squares are 40 cm and 24 cm. The perimeter of a third square, whose area is equal to the difference of the areas of these squares, is

1.  34 cm

2.  32 cm

3.  38 cm

4.  30 cm

4

32 cm

Explanation :
No Explanation available for this question

# The radius of the base and height of a Metallic solid cylinder are remand 6 cm respectively. It is melted and recast into a solid cone of the same radius of base, the height of the cone is

1.  54 cm

2.  27 cm

3.  18 cm

4.  9 cm

4

18 cm

Explanation :
No Explanation available for this question

# The sides of a triangle are in the ratio the triangle is:

1.  Acute-angled

2.  Right-angled

3.  Obtuse-angled

4.  Either acute-angled or right-angled

4

Obtuse-angled

Explanation :
No Explanation available for this question

# The measure of each of two opposite angles of a rhombus is 600 and the measure of one of its sides is 10cm. The length of its smaller, diagonal is:

1.  10 cm

2.  10√3 cm

3.  10√2 cm

4.  (5/2)√2 cm

4

10 cm

Explanation :
No Explanation available for this question

# If the radii of two spheres are in the ratio 1: 4, then their surface areas are in the ratio:

1.  1: 2

2.  1: 4

3.  1: 8

4.  1: 16

4

1: 16

Explanation :
No Explanation available for this question

# If the area of the base of a cone is 770 cm2 and the area of the curved surface is 814 cm2, then its volume (in cm3) is

1.  213√5

2.  392√5

3.  550√5

4.  616√5

4

616√5

Explanation :
No Explanation available for this question

# In a triangular field having sides 30m, 72m and 78m, the length of the altitude to the side measuring 72m is

1.  25 m

2.  28 m

3.  30 m

4.  35 m

4

30 m

Explanation :
No Explanation available for this question

1.  4 cm

2.  6 cm

3.  8 cm

4.  10 cm

4