# A number increased by 22 1/2% gives 98. The number is

1.  45

2.  18

3.  80

4.  81

4

80

Explanation :
No Explanation available for this question

# If the Circumference of a circle is increased the 50% then the area will be increased by

1.  50%

2.  75%

3.  100%

4.  125%

4

125\%

Explanation :
No Explanation available for this question

# One acute angle of a right angled triangle is double the other, if the length of its hypotenuse is cm, then its are is

1.  (25/2) √3 cm2

2.  25cm2

3.  25√3 cm2

4.  (75/2) cm2

4

(25/2) √3 cm2

Explanation :
No Explanation available for this question

# Through each vertex of a triangle, a line Parallel to the opposite side is drawn. The ratio of perimeter of the new triangle, thus formed, with that of the original triangle is

1.  3: 2

2.  4: 1

3.  2: 1

4.  2: 3

4

2: 1

Explanation :
No Explanation available for this question

# The radii of the bases of two cylinders A and B are in the ratio 3: 2 and their heights in the ratio n: 1. if the volume of cylinder A is 3 time that of cylinder B, the value of n is

1.  4/3

2.  2/3

3.  3/4

4.  3/2

4

4/3

Explanation :
No Explanation available for this question

# The volume of a. right circular cylinder and that of a sphere are equal and their radii are also equal. If the height of the cylinder be h and the diameter of the sphere d, then which of the following relations is correct

1.  h = d

2.  2h = d

3.  2h = 3d

4.  3h = 2d

4

3h = 2d

Explanation :
No Explanation available for this question

# The circumference of a circle is 100 cm. The measure of a side of the square inscribed in this circle is

1.  25√2 cm

2.  (50√2)/ ? cm

3.  50√2? cm

4.  (25√2)/ ? cm

4

(50√2)/ ? cm

Explanation :
No Explanation available for this question

# The length side of an equilateral triangle is 8 cm. The area of the region lying between the circumference and the in circle of the triangle is (use =22/7)

1.  (50)1/7 cm2

2.  (50)2/7 cm2

3.  (75)1/7 cm2

4.  (75)2/7 cm2

4

(50)2/7 cm2

Explanation :
No Explanation available for this question

# Each of the radius of the base and the height of a right circular cylinder is increased by 10%. The Volume of the Cylinder is increased by

1.  3.31%

2.  14.5%

3.  33.1%

4.  19.5%

4

33.1\%

Explanation :
No Explanation available for this question

1.  1:9

2.  2: 9

3.  9: 8

4.  3: 8

4