C.B. Huffaker was able to maintain experimental populations of predator and prey (using species of mites) that exhibited recurring oscillations. What feature of Huffaker's experimental design was critical to this outcome?

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#Question id: 12811

#General Aptitude

The length of a rectangular garden is 12 metres and its breadth is 5 metres. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden :

TLS Online TPP Program

#Question id: 12812

#General Aptitude

A circular wire of diameter 42 cm is folded in the shape of a rectangle whose sides are in the ratio 6 : 5 . Find the area enclosed by the rectangle.

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#Question id: 12813

#General Aptitude

A took 15 sec. to cross a rectangular field diagonally walking at the rate of 52 m/min. and B took the same time to cross the same field along its sides walking at the rate of 68 m/min. The area of the field is :

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#Question id: 12814

#General Aptitude

The difference between the length and breadth of a rectangle is 23m. If its perimeter is 206 m, then its area is

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#Question id: 12815

#General Aptitude

There is a rectangular tank of length 180 m and breadth 120m in a circular field. If the area of the land portion of the field is 40000 m2, what is the radius of the field ?  

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#Question id: 12816

#General Aptitude

The length of a rectangular hall is 5m more than its breadth. Thearea of the hall is 750m2. The length of the hall is :