NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 9 - 11 of 2028

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Question number: 9

» Mathematics » Linear Equations in One Variable

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MCQ▾

Question

When 70 % of a number is added to 90 the result is the number again. The number is

Choices

Choice (4)Response

a.

360

b.

300

c.

420

d.

280

Question number: 10

» Mathematics » Understanding Quadrilaterals

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Question

The following figure shows a polygon with all its exterior angles.

Arc cArc c: Semicircle through K and LArc dArc d: Semicircle through M and NArc eArc e: Semicircle through O and PArc kArc k: Semicircle through Q and RArc pArc p: Semicircle through S and TSegment fSegment f: Segment [A, B] Segment gSegment g: Segment [C, D] Segment hSegment h: Segment [E, F] Segment iSegment i: Segment [G, H] Segment jSegment j: Segment [I, J] 2xtext1 = “2x”xtext1_1 = “x”5xtext1_2 = “5x”4xtext1_3 = “4x”3xtext1_4 = “3x”

Image of a Polygon Having Five Sides

The value of x is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 11

» Mathematics » Understanding Quadrilaterals

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MCQ▾

Question

In the diagram, ABCD is a rhombus.

Quadrilateral poly1Quadrilateral poly1: Polygon A, B, C, DSegment 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 [G, H] Segment gSegment g: Segment [I, J] Segment f_1Segment f_1: Segment [G_1, H_1] Segment f_2Segment f_2: Segment [G_2, H_2] Segment g_1Segment g_1: Segment [I_1, J_1] Segment g_2Segment g_2: Segment [I_2, J_2] Point AA = (3.04,0.06) Point AA = (3.04,0.06) Point AA = (3.04,0.06) Point BB = (5.02, -2.24) Point BB = (5.02, -2.24) Point BB = (5.02, -2.24) Point CC = (7.2,0.08) Point CC = (7.2,0.08) Point CC = (7.2,0.08) Point DD = (5.16,1.48) Point DD = (5.16,1.48) Point DD = (5.16,1.48)

Image of a Rhombus ABCD with Two Unknown Angles

The value of is

Choices

Choice (4)Response

a.

b.

c.

d.

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