IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 983 - 984 of 1022

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Question number: 983

» Everyday Mathematics

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Appeared in Year: 2012

MCQ▾

Question

The side of a square plot is 80 m. A path of 4 m width along the sides of the square are constructed in the middle of the plot. Determine the area of the path.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 984

» Symmetry and Visualizing Solid Shapes

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Appeared in Year: 2012

MCQ▾

Question

The given solid (not drawn to scale) is a regular triangular pyramid. The net of the pyramid is wrongly drawn with 1 extra face. Which of the following faces (P, Q, R or S) is NOT a part of the net?

Quadrilateral poly1Quadrilateral poly1: Polygon A, B, C, DPolygon poly2Polygon poly2: Polygon [E, F, 3] Polygon poly2Polygon poly2: Polygon [E, F, 3] Triangle poly3Triangle poly3: Polygon H, I, JPolygon poly2_1Polygon poly2_1: Polygon [E_1, F_1,3] Polygon poly2_1Polygon poly2_1: Polygon [E_1, F_1,3] Triangle poly4Triangle poly4: Polygon K, L, MPolygon poly2_4Polygon poly2_4: Polygon [E_6, F_4,3] Polygon poly2_4Polygon poly2_4: Polygon [E_6, F_4,3] Segment aSegment a: Segment [A, B] of Quadrilateral poly1Segment bSegment b: Segment [B, C] of Quadrilateral poly1Segment cSegment c: Segment [C, D] of Quadrilateral poly1Segment dSegment d: Segment [D, A] of Quadrilateral poly1Segment fSegment f: Segment [E, F] of Polygon poly2Segment gSegment g: Segment [F, G] of Polygon poly2Segment hSegment h: Segment [G, E] of Polygon poly2Segment iSegment i: Segment [B, D] Segment jSegment j: Segment [A, C] Segment j_1Segment j_1: Segment [H, I] of Triangle poly3Segment h_1Segment h_1: Segment [I, J] of Triangle poly3Segment i_1Segment i_1: Segment [J, H] of Triangle poly3Segment f_1Segment f_1: Segment [E_1, F_1] of Polygon poly2_1Segment g_1Segment g_1: Segment [F_1, G_1] of Polygon poly2_1Segment h_2Segment h_2: Segment [G_1, E_1] of Polygon poly2_1Segment mSegment m: Segment [K, L] of Triangle poly4Segment k_1Segment k_1: Segment [L, M] of Triangle poly4Segment l_1Segment l_1: Segment [M, K] of Triangle poly4Segment f_4Segment f_4: Segment [E_6, F_4] of Polygon poly2_4Segment g_4Segment g_4: Segment [F_4, G_4] of Polygon poly2_4Segment h_6Segment h_6: Segment [G_4, E_6] of Polygon poly2_4Ptext1 = “P”Qtext1_1 = “Q”Rtext1_2 = “R”Stext1_3 = “S”

Image of a Regular Triangular Pyramid and Its Net

Choices

Choice (4)Response

a.

P

b.

R

c.

S

d.

Q

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