Q1. A farmer wants to fence a 100 sq. m rectangular garden. But he has 30 meters barbed wire; he can fence only three sites of that garden. His house wall serves as a 4th side of the fencing. What is the dimension of the garden?
|A. 15 m x 7.67 m||B. 30 m x 4.33 m|
|C. 20 m x 5 m||D. 35 m x 2.5 m|
Q2. Three sites of a rectangular parking space are marked by yellow paint. If the sum of the length of the painted side is 37 feet and length of an unpainted side is 9 feet then find the area of this parking space?
|A. 126||B. 91|
|C. 56||D. 253|
Q3. A brick of dimensions 20 cm x 10 cm is to be used for flooring a hall having dimensions 25 m long and 16 m broad. Find the number of bricks required?
|A. 16000||B. 20000|
|C. 25000||D. 17000|
Q4. The breath of a rectangular playground is 60% of its length. If the perimeter of the ground is 800 m, find the area of this playground?
|A. 18750 sq.m||B. 40000 sq.m|
|C. 35000 sq.m||D. 37500 sq.m|
Q5. The perimeter of a rectangular carpet is 46 meters, and its area is 120 sq.m. What is the length of its diagonal?
|A. 16 m||B. 17 m|
|C. 18 m||D. 15 m|
Q6. The difference between the length and the breadth of a blackboard is 8 cm. If the breadth is decreased by 4 cm and the length is increased by 7 cm, the area remains the same. Find the dimensions of the blackboard?
|A. 30, 22||B. 34, 26|
|C. 56, 48||D. 28, 20|
Q7. The breadth of a rectangular field is increased by (r + 5)%, and the length decreased by r%. If the area of the field is unchanged, what is the value of r?
|A. 20||B. 15|
|C. 8||D. 10|