Olympiad – Class VII – Mathematics - Perimeter and Area

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Question - 1

The circumference of a circle is 44 m. What is its area?

  • A 6084.5 m2
  • B 276.5 m2
  • C 154 m2
  • D 44 m2

Question - 2

If the area of a circle is 2464 m2, find its diameter

  • A 56 m
  • B 154 m
  • C 176 m
  • D 206 m

Question - 3

The circular grass lawn of radius 35 m has a path of width 7 m around it on the outside.What is the area of the path?

  • A 1496 m2
  • B 1450 m2
  • C 1576 m2
  • D 1694 m2

Question - 4

The difference between the circumference and radius of a circle is 37 m.What is the circumference of the circle

  • A 7 m
  • B 44 m
  • C 154 m
  • D 88 m

Question - 5

How many plants (approximately) will be there in a circular bed whose outer edge measures 30 cm allowing 4 cm2 for each plant?

  • A 18
  • B 750
  • C 24
  • D 120

Question - 6

When the circumference and area of a circle are numerically equal, what is the diameter numerically equal to?

  • A Area
  • B Circumference
  • C 2\(\pi\)
  • D 4

Question - 7

If the ratio of circumferences of two circles is 4:9, what is the ratio of their areas?

  • A 9:4
  • B 16:81
  • C 4:9
  • D 2:3

Question - 8

If the area of a circle is A, radius is rand circumference is C, which of the following is true?

  • A r C = 2A
  • B \(\frac { C }{ A } =\frac { r }{ 2 } \)
  • C AC =\(\frac { r^{ 2 } }{ 4 } \)
  • D \(\frac { A }{ r } \)=C

Question - 9

What is the breadth of a rectangular sheet of perimeter 100 cm and length 35 cm?

  • A 35 cm
  • B 20 cm
  • C 15 cm
  • D 50 cm

Question - 10

A wall hanging is in the shape given in the figure. Find its perimeter

  • A 176 cm
  • B 146 cm
  • C 44 cm
  • D 88 cm
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