IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 640 - 641 of 1059

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Question number: 640

» Mensuration

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MCQ▾

Question

A rope is in the shape of a square of perimeter 48 cm. A rectangle is formed with this rope such that its length is 10 cm. Then, the area of the rectangle is

Choices

Choice (4) Response

a.

540

b.

280

c.

140

d.

None of the above

Question number: 641

» Mensuration

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MCQ▾

Question

Find the area of unshaded part of the figure.

Quadrilateral poly1 Quadrilateral poly1: Polygon A, B, C, D Quadrilateral poly2 Quadrilateral poly2: Polygon A, E, F, G Quadrilateral poly3 Quadrilateral poly3: Polygon P, Q, R, S Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment a_1 Segment a_1: Segment [A, E] of Quadrilateral poly2 Segment e Segment e: Segment [E, F] of Quadrilateral poly2 Segment f Segment f: Segment [F, G] of Quadrilateral poly2 Segment g Segment g: Segment [G, A] of Quadrilateral poly2 Segment l Segment l: Segment [L, M] Segment l_1 Segment l_1: Segment [L_1, M_1] Segment m Segment m: Segment [N, O] Segment m_1 Segment m_1: Segment [N_1, O_1] Segment p Segment p: Segment [P, Q] of Quadrilateral poly3 Segment q Segment q: Segment [Q, R] of Quadrilateral poly3 Segment r Segment r: Segment [R, S] of Quadrilateral poly3 Segment s Segment s: Segment [S, P] of Quadrilateral poly3 4 cm text1 = “4 cm” 3 cm text1_1 = “3 cm” 7 cm text1_2 = “7 cm” 10 cm text1_3 = “10 cm” 3 cm text1_4 = “3 cm”

Image of Rectangle and a Square Inscribed in a Square

Showing an image of rectangle and a square inscribed in a square

Choices

Choice (4) Response

a.

70 sq. cm

b.

20 sq. cm

c.

80 sq. cm

d.

55 sq. cm