NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 51 - 52 of 2028

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Question number: 51

» Mathematics » Understanding Quadrilaterals

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In a trapezium ABCD, AB is parallel to CD and the diagonals intersect each other at O. In this case, the ratio OA/OC is equal to:

Choices

Choice (4)Response

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b.

c.

d.

Question number: 52

» Mathematics » Understanding Quadrilaterals

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The diagram, ABCD is a parallelogram and ADE is a straight line. Given that the area of the triangle CDE is , then the area of the whole diagram is is:

Quadrilateral poly1Quadrilateral poly1: Polygon A, B, C, DTriangle poly2Triangle poly2: Polygon C, D, ESegment 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 eSegment e: Segment [C, D] of Triangle poly2Segment c_1Segment c_1: Segment [D, E] of Triangle poly2Segment d_1Segment d_1: Segment [E, C] of Triangle poly2Point AA = (8, -0.28) Point AA = (8, -0.28) Point AA = (8, -0.28) Point BB = (6.8,2.08) Point BB = (6.8,2.08) Point BB = (6.8,2.08) Point CC = (2.74,2.1) Point CC = (2.74,2.1) Point CC = (2.74,2.1) Point DD = (3.8, -0.22) Point DD = (3.8, -0.22) Point DD = (3.8, -0.22) Point EE = (1.8, -0.22) Point EE = (1.8, -0.22) Point EE = (1.8, -0.22) 8 cmtext1 = “8 cm”5 cmtext1_1 = “5 cm”

Image of a Trapezium with Parallelogram in It

Choices

Choice (4)Response

a.

b.

c.

d.

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