IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 715 - 720 of 1022

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Question number: 715

» Perimeter and Area

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MCQ▾

Question

I’m going to place a rope around perimeter of our school playground that is in the shape of an octagon. The sides are 10 m, 10 m, 8 m, 8m, 5m, 5 m, 9 m, 9 m. How many meters of rope will be needed for the perimeter?

Choices

Choice (4)Response

a.

164 m

b.

38 m

c.

138 m

d.

64 m

Question number: 716

» Algebraic Expressions

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MCQ▾

Question

Simplify:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 717

» Data Handling

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MCQ▾

Question

A ludo die is rolled, then the probability that the number of dots on its upper face is less than 4 is ________.

Choices

Choice (4)Response

a.

b.

c.

1

d.

0

Question number: 718

» Symmetry and Visualizing Solid Shapes

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MCQ▾

Question

After rotating by about a center, a figure looks exactly the same as at its original position. At what other angle will this happen for the figure?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 719

» Perimeter and Area

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MCQ▾

Question

The area of two circles are in the ratio 25: 36. Then the ratio of their circumference is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 720

» Symmetry and Visualizing Solid Shapes

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MCQ▾

Question

Mirror image of

Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Segment fSegment f: Segment [A, B] of Polygon poly1Segment gSegment g: Segment [B, C] of Polygon poly1Segment hSegment h: Segment [C, D] of Polygon poly1Segment iSegment i: Segment [D, A] of Polygon poly1Segment jSegment j: Segment [E, F] of Polygon poly2Segment kSegment k: Segment [F, G] of Polygon poly2Segment lSegment l: Segment [G, H] of Polygon poly2Segment mSegment m: Segment [H, E] of Polygon poly2Segment nSegment n: Segment [K, L] Segment pSegment p: Segment [M, N] Segment p_1Segment p_1: Segment [M_1, N_1] Segment p_2Segment p_2: Segment [M_2, N_2] Segment p_3Segment p_3: Segment [M_3, N_3] Segment p_4Segment p_4: Segment [M_4, N_4] Segment p_5Segment p_5: Segment [M_5, N_5] Segment p_6Segment p_6: Segment [M_6, N_6] Segment p_7Segment p_7: Segment [M_7, N_7] Segment p_8Segment p_8: Segment [M_8, N_8] Segment p_9Segment p_9: Segment [M_9, N_9] Segment p_ {10}Segment p_ {10}: Segment [M_ {10}, N_ {10} ] Segment p_ {11}Segment p_ {11}: Segment [M_ {11}, N_ {11} ] Segment p_ {12}Segment p_ {12}: Segment [M_ {12}, N_ {12} ] Segment p_ {13}Segment p_ {13}: Segment [M_ {13}, N_ {13} ] Segment p_ {14}Segment p_ {14}: Segment [M_ {14}, N_ {14} ] Segment p_ {15}Segment p_ {15}: Segment [M_ {15}, N_ {15} ] Vector uVector u: Vector [I, J] Vector uVector u: Vector [I, J]

Image of a Box Having a Diamond and Arrow Shapes

is ________.

Choices

Choice (4)Response

a.

Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Segment fSegment f: Segment [A, B] of Polygon poly1Segment gSegment g: Segment [B, C] of Polygon poly1Segment hSegment h: Segment [C, D] of Polygon poly1Segment iSegment i: Segment [D, A] of Polygon poly1Segment jSegment j: Segment [E, F] of Polygon poly2Segment kSegment k: Segment [F, G] of Polygon poly2Segment lSegment l: Segment [G, H] of Polygon poly2Segment mSegment m: Segment [H, E] of Polygon poly2Vector uVector u: Vector [I, J] Vector uVector u: Vector [I, J]

Image of a Box Having a Diamond and Arrow Shapes: Choice A

b.

Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Segment fSegment f: Segment [A, B] of Polygon poly1Segment gSegment g: Segment [B, C] of Polygon poly1Segment hSegment h: Segment [C, D] of Polygon poly1Segment iSegment i: Segment [D, A] of Polygon poly1Segment jSegment j: Segment [E, F] of Polygon poly2Segment kSegment k: Segment [F, G] of Polygon poly2Segment lSegment l: Segment [G, H] of Polygon poly2Segment mSegment m: Segment [H, E] of Polygon poly2Vector uVector u: Vector [K, L] Vector uVector u: Vector [K, L]

Image of a Box Having a Diamond and Arrow Shapes: Choice B

c.

Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Segment fSegment f: Segment [A, B] of Polygon poly1Segment gSegment g: Segment [B, C] of Polygon poly1Segment hSegment h: Segment [C, D] of Polygon poly1Segment iSegment i: Segment [D, A] of Polygon poly1Segment jSegment j: Segment [E, F] of Polygon poly2Segment kSegment k: Segment [F, G] of Polygon poly2Segment lSegment l: Segment [G, H] of Polygon poly2Segment mSegment m: Segment [H, E] of Polygon poly2Vector uVector u: Vector [K, L] Vector uVector u: Vector [K, L]

Image of a Box Having a Diamond and Arrow Shapes: Choice C

d.

Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly1Polygon poly1: Polygon [A, B, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Polygon poly2Polygon poly2: Polygon [E, F, 4] Segment fSegment f: Segment [A, B] of Polygon poly1Segment gSegment g: Segment [B, C] of Polygon poly1Segment hSegment h: Segment [C, D] of Polygon poly1Segment iSegment i: Segment [D, A] of Polygon poly1Segment jSegment j: Segment [E, F] of Polygon poly2Segment kSegment k: Segment [F, G] of Polygon poly2Segment lSegment l: Segment [G, H] of Polygon poly2Segment mSegment m: Segment [H, E] of Polygon poly2Vector uVector u: Vector [K, L] Vector uVector u: Vector [K, L]

Image of a Box Having a Diamond and Arrow Shapes: Choice D

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