If the diameter of a circle is increased by 100 % its area is increased by:_________?
A. 100%
B. 200%
C. 300%
D. 400%
Basic Arithmetic
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 radius of a circle be reduced by 50% its area is reduced by:_________?
A. 25 %
B. 50%
C. 75%
D. 100%
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
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 %
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
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 circumference of a circle is 352 meters then its area in Sq.m is:________?
A. 9856
B. 8956
C. 6589
D. 5986
A hall 20 m long and 15 m broad is surrounded by a verandah of uniform width of 2.5 m. The cast of flooring the verandah at the rate of Rs 3.50 per sq. Meter is__________?
A. Rs.500
B. Rs. 600
C. Rs. 700
D. Rs. 800
The length of a rectangular room is 4 meters. If it can be partitioned into two equal square rooms. What is the length of each partition in meters:________?
A. 1
B. 2
C. 4
D. Data Inadequate