IBM Company Numerical Ability Area and Volume

The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of the park (in sq. m) is:
A. 15360 B. 153600
C. 30720 D. 307200

Read Solution (Total 3)

Perimeter = Distance covered in 8 min. = 12000 x 8 m = 1600 m.
60

Let length = 3x metres and breadth = 2x metres.

Then, 2(3x + 2x) = 1600 or x = 160.

Length = 480 m and Breadth = 320 m.

Area = (480 x 320) m2 = 153600 m2.
9 years agoHelpfull: Yes(4) No(0)

ratio is 2*pi*r/r=2*pi

m/60 hours --> i/12 feet
so, h hours --> I/12*60/m*h=5ih/m
11 years agoHelpfull: Yes(2) No(1)
http://www.indiabix.com/aptitude/area/ u ll get answer here
9 years agoHelpfull: Yes(0) No(0)

IBM Other Question

An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:
A. 2% B. 2.02%
C. 4% D. 4.04%

The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?
A. 16 cm B. 18 cm
C. 24 cm D. Data inadequate
E. None of these