Question

Higher Order Thinking Skills (HOTS)
The length of a room is 50% more than its breadth. The cost of carpeting the room at
the rate of 38.50 m² is 2924 and the cost of papering the walls at 33.30 m2 is 3214.50. If
the room has one door of dimensions 1 mx 2 m and two windows each of dimensions
Im x 1.5 m, find the dimensions of the room.

2. The barrel of a fountain pen, cylindrical in shape, is 7 cm long and 5 mm in diameter.
A full barrel of ink in the pen will be used up when writing 310 words on an average.
How many words would use up a bottle of ink containing one-fifth of a litre? Answer
correct to the nearest 100 words.

3. A cylindrical jar is 20 cm high with internal diameter 7 cm. An iron cube of edge 5 cm
is immersed in the jar completely in the water which was originally 12 cm high. Find
the rise in the level of water.




plz.. answer with the whole procedure..​

Answer 1

Answer:

hey this is your ans

Let breadth  (b)=x

Area of floor =3850924×100

l×b=24

23x×x=24⇒x2=324×2

23x2=24                                          x=4

Area of walls =1320×550100

2(l+b)h=240

100×h=2240

h=12 m

l=23×4=6 cm

b=x=4 cm

Step-by-step explanation:

plz mark has brainleast