please any one answer for all these questions
1) cost of 1 meter cloth is .152.50. What is the cost of 10.75 meters of cloth?
2) What should be added to (+) to get 3?
3) A wire is in the shape of a rectangle. Its length is 40cm and breadth is 22cm. If the same wire is rebent in the shape of a square, what will be the measure of each side? Also find which side encloses more area?
4) Fifteen post cards cost.2.25. What will be the cost of 36 post cards? How many post cards can we buy in .45?
5) Find the ratio of the price of pencil to that of ball pen, if pencil cost 2.16 per score and ball pens costs 2.8.40 per dozen.
Answers
Answer:
1.Given one metre of cloth costs Rs. 152.50 then the cost of 10.75 m cloth is Rs. 152.50×10.75=1639.375.
2. 2+1=3
3. Its length is 40 cm and breadth is 22 cm. If the same wire is rebent in the shape of a square, what will be the measure of each side. Also, find which shape encloses more area? Now, the wire is rebent into a square.
4.postcard will cost =Rs.
15
2.25
=0.15
36 postcards will cost =Rs.0.15×36
=Rs 5.40
And
In Rs. 2.25 we can buy =15 postcards
In Rs. 1 we can buy =
2.25
15
postcards
In Rs. 45 we can buy =
2.25
15
×45 postcards
=300 postcards
5. score = Rs. 96
20 Pencil = Rs. 96
{1 pencil = rs. 4.8}
1 dozen = Rs. 50.4
12 Pens = Rs. 50.4
{1 pen = 4.2}
∴(
Pen
Pencil
)=
4.2
4.8
=(
7
8
)
Answer:
1) =1639.375.
2) 1+2=3
3) Its length is 40 cm and breadth is 22 cm. If the same wire is rebent in the shape of a square, what will be the measure of each side. Also, find which shape encloses more area? Now, the wire is rebent into a square.
4) =300 postcards
5) {1 pen = 4.2}
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