Last Updated On 01-06-2023 - By Jeesha Sara
The length, breadth and height of the room are in the ratio 3:2:1. The breadth and height of the room are halved and length of the room is doubled. The area of the four walls of the room will
(a) Decrease by 13.64% (b) Decrease by 15%
(c) Decrease by 18.75% (d) Decrease by 30%
Question ID - 50058 :- The length, breadth and height of the room are in the ratio 3:2:1. The breadth and height of the room are halved and length of the room is doubled. The area of the four walls of the room will
(a) Decrease by 13.64% (b) Decrease by 15%
(c) Decrease by 18.75% (d) Decrease by 30%
The length, breadth and height of the room are in the ratio 3:2:1. The breadth and height of the room are halved and length of the room is doubled. The area of the four walls of the room will
(a) Decrease by 13.64% (b) Decrease by 15%
(c) Decrease by 18.75% (d) Decrease by 30%
Length = 
breadth = 
height = 
Area of 4 walls = 
New length = 
new breadth = 
new height =
.
New area of the 4 walls = 
Decrease in area = 
Decrease % = 
Next Question :
An infinitely long current carrying wire and a small current carrying loop are in the place of the paper as shown. The radius of the loop is a and distance of its centre from the wire is d(d
a). if the loop applies a force F on the wire then:
|
a. |
F |
b. |
F |
|
c. |
F |
d. |
F=0 |
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