RBI Assistant Model Paper 7

Let length & breadth of Rectangular park are 'a' meter and 'b' meter respectively.
ATQ,
a2+b2 = (26)2
a2+b2 = 676 .......... (i)
and 2(a+b) = 68
a+b = 34
a2+b2+2ab = 1156.......... (ii)
using (i) in (ii)
2ab = 1156−676
2ab = 480
Area of park (ab) =

480

2

= 240 m2