Length of a side of a square land is 300m.find the length of the wall in metre, reqd. to surround the land. if the width of the wall be 3 decimetres find the area of the land reqd. to build the wall.find the cost of building the wall at the rate of rs 5000/100sq metre.

Answers (1)

The side of a square land is (a) = 300 meter
Perimeter (4a) = 300 x 4 = 1200 meter

So the required length of the wall to surround the land = 1200 meter

The area of the land required to build the wall is = 1200x0.3 =  360 square meter

The cost of the building the wall = 360x5000/100 = Rs 18000

Preparation Products

JEE Main Rank Booster 2021

This course will help student to be better prepared and study in the right direction for JEE Main..

₹ 13999/- ₹ 9999/-
Buy Now
Rank Booster NEET 2021

This course will help student to be better prepared and study in the right direction for NEET..

₹ 13999/- ₹ 9999/-
Buy Now
Knockout JEE Main April 2021 (Easy Installments)

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 4999/-
Buy Now
Knockout NEET May 2021

An exhaustive E-learning program for the complete preparation of NEET..

₹ 22999/- ₹ 14999/-
Buy Now
Knockout NEET May 2022

An exhaustive E-learning program for the complete preparation of NEET..

₹ 34999/- ₹ 24999/-
Buy Now
Exams
Articles
Questions