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

a.

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 poly1 Quadrilateral poly1: Polygon A, B, C, D Triangle poly2 Triangle poly2: Polygon C, D, E 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 e Segment e: Segment [C, D] of Triangle poly2 Segment c_1 Segment c_1: Segment [D, E] of Triangle poly2 Segment d_1 Segment d_1: Segment [E, C] of Triangle poly2 Point A A = (8, -0.28) Point A A = (8, -0.28) Point A A = (8, -0.28) Point B B = (6.8,2.08) Point B B = (6.8,2.08) Point B B = (6.8,2.08) Point C C = (2.74,2.1) Point C C = (2.74,2.1) Point C C = (2.74,2.1) Point D D = (3.8, -0.22) Point D D = (3.8, -0.22) Point D D = (3.8, -0.22) Point E E = (1.8, -0.22) Point E E = (1.8, -0.22) Point E E = (1.8, -0.22) 8 cm text1 = “8 cm” 5 cm text1_1 = “5 cm”

Image of a Trapezium with Parallelogram in It

Showing the image of a trapezium with parallelogram in it

Choices

Choice (4) Response

a.

b.

c.

d.

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