The ratio of the length and the breadth of a rectangle is 4 : 3 and the area of the rectangle is 6912 sq cm. Find the ratio of the breadth and the area of the rectangle?
A. 1 : 96
B. 1 : 48
C. 1 : 84
D. 1 : 68
The area of the square formed on the diagonal of a rectangle as its side is 108 1/3 % more than the area of the rectangle. If the perimeter of the rectangle is 28 units, find the difference between the sides of the rectangle?
A. 8
B. 12
C. 6
D. 2
The length of a rectangular plot is thrice its breadth. If the area of the rectangular plot is 867 sq m, then what is the breadth of the rectangular plot?
A. 8.5 m
B. 17 m
C. 34 m
D. 51 m
A wire in the form of a circle of radius 3.5 m is bent in the form of a rectangule, whose length and breadth are in the ratio of 6 : 5. What is the area of the rectangle?
A. 60 cm2
B. 30 cm2
C. 45 cm2
D. 15 cm2
The perimeter of a triangle is 28 cm and the inradius of the triangle is 2.5 cm. What is the area of the triangle?
A. 25 cm2
B. 42 cm2
C. 49 cm2
D. None of these
Find the area of trapezium whose parallel sides are 20 cm and 18 cm long, and the distance between them is 15 cm.
A. 225 cm2
B. 275 cm2
C. 285 cm2
D. 315 cm2
Find the area of a parallelogram with base 24 cm and height 16 cm.
A. 262 cm2
B. 384 cm2
C. 192 cm2
D. 131 cm2
If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is__________?
A. 53.33
B. 54.68
C. 55
D. None of these
What is the are of an equilateral triangle of side 16 cm?
A. 48√3 cm2
B. 128√3 cm2
C. 9.6√3 cm2
D. 64√3 cm2
If the sides of a triangle are 26 cm, 24 cm and 10 cm, what is its area?
A. 120 cm2
B. 130 cm2
C. 312 cm2
D. 315 cm2