7 .In a big garden 60% of the trees are coconut
trees, 25% of the number of coconut trees
are mango trees and 20% of the number of
mango trees are apple trees. If the number
of apple tress are 1500, then the number of
trees in the garden is â€“
10 .In xy-plane, P and Q are two points having
co-ordinates (2, 0) and (5, 4) respectively.
Then find the numerical value of the area
of the circle with radius PQ.
(A) 14 Ï€ (B) 25 Ï€
(C) 100 Ï€ (D) 32 Ï€