The number of rounds that a wheel of diameter 7/11 m will make in going 4 km is:_________?
A. 1000
B. 1500
C. 1700
D. 2000
Areas
A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:_________?
A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:_________?
A. 30 cm
B. 60 cm
C. 72 cm
D. 132 cm
If the diameter of a circle is increased by 100 % its area is increased by:_________?
If the diameter of a circle is increased by 100 % its area is increased by:_________?
A. 100%
B. 200%
C. 300%
D. 400%
If the radius of a circle be reduced by 50% its area is reduced by:_________?
If the radius of a circle be reduced by 50% its area is reduced by:_________?
A. 25 %
B. 50%
C. 75%
D. 100%
If the circumference of a circle is 352 meters then its area in Sq.m is:________?
If the circumference of a circle is 352 meters then its area in Sq.m is:________?
A. 9856
B. 8956
C. 6589
D. 5986
Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is:________?
Area of a square with side x is equal to the area of a triangle with base x. The altitude of the triangle is:________?
A. x/2
B. x
C. 2x
D. 4x
If the diagonal of a square is doubled. How does the area of the square change?
If the diagonal of a square is doubled. How does the area of the square change?
A. Becomes fourfold
B. Becomes threefold
C. Becomes twofold
D. none of the above
If the base of rectangle is increased by 10 % and the area is unchanged then the corresponding altitude must be decreased by:________?
If the base of rectangle is increased by 10 % and the area is unchanged then the corresponding altitude must be decreased by:________?
A. 9 1/11 %
B. 10%
C. 11%
D. 11 1/9 %
The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is_________?
The length of a rectangle is twice its breadth, if length is decreased by 5 cm and the breadth is increased by 5 cm. The length of the rectangle is_________?
A. 20 cm
B. 30 cm
C. 40 cm
D. 50 cm
A rectangle has 15 cm as its length and 159 cm2 as its area. Its area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:_________?
A rectangle has 15 cm as its length and 159 cm2 as its area. Its area is increased to 1 1/3 times the original area by increasing only its length its new perimeter is:_________?
A. 50 cm
B. 60 cm
C. 70 cm
D. 80 cm