the area of a square field is 50625 m square a man cycle along its boundary at 16 km per hour. in how much time will he return to the starting point
Answers
Step-by-step explanation:
TRANSCRIPT
--E- 12 -d- 2013 -- j--- 1
1. The area of a rectangular plate is 236.25sq.cm. If the length of the plate is 17.5 cm,find the perimeter of the plate. 1) 65 cm 2) 52 cm 3) 62 cm 4) 67 cm 5) None of these
2. The breadth of a rectangular plot is 75% ofits length. If the perimeter of the plot be 1050 m, what is its area? 1) 12500 2) 57500 3) 62500 4) 67500 5) None of these
3. In measuring the sides of a rectangle, oneside is taken 10% in excess, and the other5% in deficit. What is the change in its areaas a percentage? 1) 1.5% 2) 4.5% 3) 2.5% 4) 5% 5) None of these
4. How many tiles of 20 cm length and 10 cmwidth are required to pave the floor of a room8 m long and 5 m wide? 1) 2100 2) 1500 3) 2500 4) 2000 5) None of these
5. The circumference of two circles is 88 metreand 132 metre respectively. What is the dif-ference between the area of the larger circleand the smaller circle? 1) 440 sq.m 2) 510 sq.m 3) 770 sq.m 4) 225 sq.m 5) None of these
6. A solid metallic spherical ball of radius 7 cmis melted down and recast into small cones.If the diameter of the base of the cone is 14 cm and the height is 2 cm, find the num-ber of such cones can be made. 1) 14 2) 28 3) 7 4) 12 5) None of these
7. A hall is 10metres long and 8metres wide.What will be the cost of carpeting the room if0.5 metres of space is left around the room?The rate of 0.25 metre wide carpet is Rs.20per metre. 1) Rs.1560 2) Rs.2520 3) Rs.1875 4) Rs.5040 5) None of these
8. A square field has an area of 50625 sq. m.Find the cost of fencing around it at Rs. 15per metre. 1) Rs.12500 2) Rs.17500 3) Rs.13500 4) Rs.16250 5) None of these
9. Cost of fencing a circular plot at the rate ofRs.12 per metre is Rs.2,640. What will bethe cost of carpeting the floor of the plot atthe rate of Rs.85 per square metre? 1) Rs.3,25,250 2) Rs.3,22,350 3) Rs.3,27,250 4) Rs.3,25,750 5) None of these
10. A circle and a rectangle have the sameperimeter. The sides of the rectangle are 18 cm and 26 cm. What will be the area ofthe circle? 1) 88 cm2 2) 1250 cm2
3) 154 cm2 4) 128 cm2
5) None of these 11. A circular garden has a 7 m wide road
around the border. Find the cost of levelingthe road at Rs.5 per square meter if theradius of the inner circle is 21 m? 1) Rs.3490 2) Rs.5390 3) Rs.2930 4) Rs.5695 5) None of these
12. The lateral surface area of a cylinder isthrice the area of its base. Find the ratio ofits height and the base radius?
1) 2:3 2) 2:5 3) 3:2
4) 4:9 5) None of these
13. Two cubes have their volumes in the ratio8:27. Find the ratio of their surface areas.
1) 2:3 2) 4:9 3) 16:81
4) 8:9 5) None of these
14. A horse is tied with a 14 m long rope. Howmuch ground will it be able to graze?
1) 125 Sq.m
2) 275 Sq.m
3) 625 Sq.m 4) 675 Sq.m
5) None of these
I hope my answer is correct
please mark as brainlist