A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 sq. feet, how many feet of fencing will be required?

Related Mcqs:

A rectangular field has dimensions 25m by 15m. Two mutually perpendicular passage of 2m width have been left in it’s central part and grass has been grown in rest of the field. The area under the grass is____________?

A. 295m2 B. 299m2 C. 300m2 D. 375m2...

A circle and a rectangle have the same perimeter. The sides of the rectangle are 18cm and 26cm.What is the area of the circle?

A. 88cm2 B. 154cm2 C. 616cm2 D. 1250cm2...

A rectangular water tank is open at the top. Its capacity is 24Cu.m.It’s length and breadth are 4m and 3m respectively. Ignoring the thickness of the material used for building the tank the total cost of painting the inner and outer surface of the tank at Rs. 10 per Sq.m is_________?

A. Rs.400 B. Rs.500 C. Rs.600 D. Rs.800...

How many paying stones, each measuring 2 1/2 m * 2 m are required to pave a rectangular court yard 30 m long and 16 1/2 m board?

A. 99 B. 90 C. 95 D. 100...

If the radius of a circle be reduced by 50% its area is reduced by:_________?

A. 25 % B. 50% C. 75% D. 100%...