2. fence it with 5 rounds. Also find the cost UI I
(a) A rectangular room is twice as long as it's breadth and it's perimeter is
48m. Find it's length and breadth. If length is doubled and breadth is
halved then find it's new perimeter.
Write the fa
1.
The perime
2.
(b) The perimeter of a square field is 96m. Find the length of a side. When its
The area of
3.
3.
Write the
breadth (
5.
Find the t
marks.
6.
Find the
marks.
length is increased by 50%, find its new perimeter.
(a) The total surface area of a cubical object is 4056 cm?. Find the perimeter
of it's base.
(b) The total surface area of a cubical object is 264 m². Find the perimeter of
it's base.
(C) The perimeter of base of a cube is 80 m. Find it's total surface area?
(a) A cuboid is twice as long as its breadth and it is 6cm high. If it's total
surface is 544 cm², then find the length and breadth.
(b) The dimensions of an oil tin are 30cm by 45 cm by 56 cm. Find the area
of the tin that is required to make 25 such tins. If cost of 10000 cm² tin is
Rs 300, then find the cost of tin in a sheet.
(C) Find the total area of floor, ceiling and 4 walls of a room. 7.5m long 7.5
m broad and 3 m high. Also find the total cost of plastering in floor at the
rate of Rs 200 per square meter.
The per
7.
then fin
8.
Find th
marks.
9.
The ra
18m. I
10.
The 1
ner Ability Questions:
respe
Rs 50​