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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MCQ▾

Question

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

Arc c Arc c: Semicircle through K and L Arc d Arc d: Semicircle through M and N Arc e Arc e: Semicircle through O and P Arc k Arc k: Semicircle through Q and R Arc p Arc p: Semicircle through S and T Segment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D] Segment h Segment h: Segment [E, F] Segment i Segment i: Segment [G, H] Segment j Segment j: Segment [I, J] 2x text1 = “2x” x text1_1 = “x” 5x text1_2 = “5x” 4x text1_3 = “4x” 3x text1_4 = “3x”

Image of a Polygon Having Five Sides

Showing the 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 poly1 Quadrilateral poly1: Polygon A, B, C, D 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 f Segment f: Segment [G, H] Segment g Segment g: Segment [I, J] Segment f_1 Segment f_1: Segment [G_1, H_1] Segment f_2 Segment f_2: Segment [G_2, H_2] Segment g_1 Segment g_1: Segment [I_1, J_1] Segment g_2 Segment g_2: Segment [I_2, J_2] Point A A = (3.04,0.06) Point A A = (3.04,0.06) Point A A = (3.04,0.06) Point B B = (5.02, -2.24) Point B B = (5.02, -2.24) Point B B = (5.02, -2.24) Point C C = (7.2,0.08) Point C C = (7.2,0.08) Point C C = (7.2,0.08) Point D D = (5.16,1.48) Point D D = (5.16,1.48) Point D D = (5.16,1.48)

Image of a Rhombus ABCD with Two Unknown Angles

Showing the 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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