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Biologiya

gemh111

by PolyMaths_dG · 13 questions · 0 saves · 0 likes
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#1
In Example 22, what is the area of the cross roads in square meters?
  1. 25 m²
  2. 550 m²
  3. 225 m²
  4. 350 m²
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550 m²
#2
In Example 22, what is the cost of constructing the roads at the rate of $105 per m²?
  1. $225
  2. $350
  3. $57,750
  4. $47,500
Show answer
$57,750
#3
A garden is 90 m long and 75 m broad. A path 5 m wide is built outside and around it. What is the area of the path?
  1. 1750 m²
  2. 1850 m²
  3. 1950 m²
  4. 1650 m²
Show answer
1850 m²
#4
A 3m wide path runs outside and around a rectangular park of length 125 m and breadth 65 m. What is the area of the path?
  1. 1176 m²
  2. 1196 m²
  3. 1136 m²
  4. 1156 m²
Show answer
1176 m²
#5
A picture is painted on a cardboard 8 cm long and 5 cm wide such that there is a margin of 1.5 cm along each of its sides. What is the total area of the margin?
  1. 26 cm²
  2. 25 cm²
  3. 24 cm²
  4. 23 cm²
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23 cm²
#6
A verandah of width 2.25 m is constructed all along outside a room which is 5.5 m long and 4 m wide. What is the area of the verandah?
  1. 5 m²
  2. 5 m²
  3. 5 m²
  4. 5 m²
Show answer
5 m²
#7
A path 1 m wide is built along the border and inside a square garden of side 30 m. What is the area of the path?
  1. 120 m²
  2. 110 m²
  3. 112 m²
  4. 116 m²
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116 m²
#8
Two cross roads, each of width 10 m, cut at right angles through the centre of a rectangular park of length 700 m and breadth 300 m. What is the area of the roads?
  1. 9300 m²
  2. 9200 m²
  3. 9100 m²
  4. 9000 m²
Show answer
9100 m²
#9
Through a rectangular field of length 90 m and breadth 60 m, two roads are constructed with a width of 3 m each, parallel to the sides and cutting through the centre. What is the area covered by the roads?
  1. 522 m²
  2. 531 m²
  3. 513 m²
  4. 540 m²
Show answer
531 m²
#10
Pragya wrapped a cord around a circular pipe of radius 4 cm. What is the length of the cord used if \(\pi = 3.14\)?
  1. 24 cm
  2. 56 cm
  3. 12 cm
  4. 12 cm
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12 cm
#11
Pragya wrapped a cord around a square box of side 4 cm. What is the length of the cord used?
  1. 20 cm
  2. 16 cm
  3. 12 cm
  4. 8 cm
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16 cm
#12
In question 8, after wrapping the cord around the square box, did Pragya have any cord left?
  1. The cord was too short for the pipe.
  2. No, she used exactly the amount needed.
  3. Yes, she had cord left.
  4. The cord was too short for the box.
Show answer
Yes, she had cord left.
#13
In question 9, if the rectangular lawn has dimensions 10m by 8m and the circular flower bed has a radius of 4m, what is the area of the whole land?
  1. 40 m²
  2. 32 m²
  3. 80 m²
  4. 100 m²
Show answer
80 m²
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