The length of a rectangle is halved, while its breadth is tripled. What is the percentage change in area?

The area of a circular field is 13.86 hectares . The cost of fencing it at the rate of 20 paisa per meter is?

The diagonals of a squares is 4?2 cm. The diagonal of another square whose area is double that of the first square is

The area of a trapezium is 384 sq.cm. If its parallel sides in ratio 3 : 5 and the perpendicular distance between them be 12 cm. The smaller of parallel sides is?

The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle

Find the area of a rectangle having 15m length and 8m breadth.

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