IMO- Mathematics Olympiad Class 7: Questions 715 - 720 of 965

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Question number: 715

» Perimeter and Area

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.

64 m

c.

38 m

d.

138 m

Question number: 716

» Algebraic Expressions

MCQ▾

Question

Simplify: (x33x2+6x12)(2x3+10x3x2+10)

Choices

Choice (4) Response
a.

x34x+2

b.

x3+8x2

c.

x34x22

d.

x38x22

Question number: 717

» Data Handling

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.

1

b.

0

c.

12

d.

13

Question number: 718

» Symmetry and Visualizing Solid Shapes

MCQ▾

Question

After rotating by 600 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.

1200

b.

1500

c.

1000

d.

900

Question number: 719

» Perimeter and Area

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.

5:6

b.

3:4

c.

4:3

d.

6:5

Question number: 720

» Symmetry and Visualizing Solid Shapes

MCQ▾

Question

Mirror image of

Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Segment f Segment f: Segment [A, B] of Polygon poly1Segment g Segment g: Segment [B, C] of Polygon poly1Segment h Segment h: Segment [C, D] of Polygon poly1Segment i Segment i: Segment [D, A] of Polygon poly1Segment j Segment j: Segment [E, F] of Polygon poly2Segment k Segment k: Segment [F, G] of Polygon poly2Segment l Segment l: Segment [G, H] of Polygon poly2Segment m Segment m: Segment [H, E] of Polygon poly2Segment n Segment n: Segment [K, L] Segment p Segment p: Segment [M, N] Segment p_1 Segment p_1: Segment [M_1, N_1] Segment p_2 Segment p_2: Segment [M_2, N_2] Segment p_3 Segment p_3: Segment [M_3, N_3] Segment p_4 Segment p_4: Segment [M_4, N_4] Segment p_5 Segment p_5: Segment [M_5, N_5] Segment p_6 Segment p_6: Segment [M_6, N_6] Segment p_7 Segment p_7: Segment [M_7, N_7] Segment p_8 Segment p_8: Segment [M_8, N_8] Segment p_9 Segment 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 u Vector u: Vector [I, J] Vector u Vector u: Vector [I, J]

Image of a Box Having a Diamond and Arrow Shapes

Showing an image of a box having a diamond and arrow shapes, so find its mirror image

is ________.

Choices

Choice (4) Response
a.
Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Segment f Segment f: Segment [A, B] of Polygon poly1Segment g Segment g: Segment [B, C] of Polygon poly1Segment h Segment h: Segment [C, D] of Polygon poly1Segment i Segment i: Segment [D, A] of Polygon poly1Segment j Segment j: Segment [E, F] of Polygon poly2Segment k Segment k: Segment [F, G] of Polygon poly2Segment l Segment l: Segment [G, H] of Polygon poly2Segment m Segment m: Segment [H, E] of Polygon poly2Vector u Vector u: Vector [I, J] Vector u Vector u: Vector [I, J]

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

Showing an image of a box having a diamond and arrow shapes, find the true mirror image of question figure

b.
Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Segment f Segment f: Segment [A, B] of Polygon poly1Segment g Segment g: Segment [B, C] of Polygon poly1Segment h Segment h: Segment [C, D] of Polygon poly1Segment i Segment i: Segment [D, A] of Polygon poly1Segment j Segment j: Segment [E, F] of Polygon poly2Segment k Segment k: Segment [F, G] of Polygon poly2Segment l Segment l: Segment [G, H] of Polygon poly2Segment m Segment m: Segment [H, E] of Polygon poly2Vector u Vector u: Vector [K, L] Vector u Vector u: Vector [K, L]

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

Showing an image of a box having a diamond and arrow shapes, find the true mirror image of question figure

c.
Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Segment f Segment f: Segment [A, B] of Polygon poly1Segment g Segment g: Segment [B, C] of Polygon poly1Segment h Segment h: Segment [C, D] of Polygon poly1Segment i Segment i: Segment [D, A] of Polygon poly1Segment j Segment j: Segment [E, F] of Polygon poly2Segment k Segment k: Segment [F, G] of Polygon poly2Segment l Segment l: Segment [G, H] of Polygon poly2Segment m Segment m: Segment [H, E] of Polygon poly2Vector u Vector u: Vector [K, L] Vector u Vector u: Vector [K, L]

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

Showing an image of a box having a diamond and arrow shapes, find the true mirror image of question figure

d.
Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly1 Polygon poly1: Polygon [A, B, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Polygon poly2 Polygon poly2: Polygon [E, F, 4] Segment f Segment f: Segment [A, B] of Polygon poly1Segment g Segment g: Segment [B, C] of Polygon poly1Segment h Segment h: Segment [C, D] of Polygon poly1Segment i Segment i: Segment [D, A] of Polygon poly1Segment j Segment j: Segment [E, F] of Polygon poly2Segment k Segment k: Segment [F, G] of Polygon poly2Segment l Segment l: Segment [G, H] of Polygon poly2Segment m Segment m: Segment [H, E] of Polygon poly2Vector u Vector u: Vector [K, L] Vector u Vector u: Vector [K, L]

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

Showing an image of a box having a diamond and arrow shapes, find the true mirror image of question figure

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