L&T Company Numerical Ability Area and Volume

A circular playground with 60 m diameter is surrounded by a 5 m wide road. What is the area of the road?
[A] 65π [B] 30π [C] 35π [D] 325π

Read Solution (Total 1)

Answer :
Area of Circle=pi*r*r
r=Diameter/2
r=60/2=30
A=Pi*30*30 =>900pi;
Area of Circle Including Wide Road :
pi*(30+5)(30+5)=>1225pi
Area Of Road =1225pi-900pi
=325pi
5 years agoHelpfull: Yes(1) No(0)

L&T Other Question

An item listed at Rs 3600 is sold to a retailer at a successive discount of 25% and 15%. The retailer desires a profit of 40%, after allowing a discount of 10% to the customer. At what price should he list the TV set (in Rs.)? A, B and C can do a piece of work in 40, 30 and 24 days respectively. They start the work together but B leaves 6 days before the completion of the work. In how many days is the work completed? [A]14 [B]12 [C]13 [D]11