Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 7]: Questions 558 - 561 of 1128

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Question number: 558

» Mathematics » Lines and Angles

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MCQ▾

Question

In a , D is any point on AB and meets AC at E. If AD = 4.5 cm, DB = 5 cm and AE = 9 cm then AC = ________.

Triangle poly1Triangle poly1: Polygon A, B, CSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment fSegment f: Segment [D, E] Point AA = (3.02,4.4) Point AA = (3.02,4.4) Point AA = (3.02,4.4) Point BB = (1.12,0.78) Point BB = (1.12,0.78) Point BB = (1.12,0.78) Point CC = (5.16,0.78) Point CC = (5.16,0.78) Point CC = (5.16,0.78) Point DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint EPoint E: Point on bPoint EPoint E: Point on bPoint EPoint E: Point on b

Image of a Triangle ABC in Which DE∥BC

Choices

Choice (4)Response

a.

14 cm

b.

4.5 cm

c.

9.5 cm

d.

19 cm

Question number: 559

» Mathematics » Perimeter and Area

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Question

Two sides of a right triangle containing the right angle are 80 cm and 0.5 cm. Find the area.

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 560

» Mathematics » Algebraic Expressions

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Question

Value of x in

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 561

» Mathematics » Lines and Angles

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MCQ▾

Question

In the given figure, and . If AO = 3.6 cm, OC = 7.2 cm and BO = 6 cm, then the length of DO is

Triangle poly1Triangle poly1: Polygon A, B, CTriangle poly2Triangle poly2: Polygon A, D, BSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment b_1Segment b_1: Segment [A, D] of Triangle poly2Segment a_1Segment a_1: Segment [D, B] of Triangle poly2Segment dSegment d: Segment [B, A] of Triangle poly2Segment fSegment f: Segment [O, M] Segment gSegment g: Segment [E, F] Segment hSegment h: Segment [F, G] Point AA = (1.84,0.08) Point AA = (1.84,0.08) Point AA = (1.84,0.08) Point BB = (7.02,0.06) Point BB = (7.02,0.06) Point BB = (7.02,0.06) Point CC = (7.02,2.9) Point CC = (7.02,2.9) Point CC = (7.02,2.9) Point DD = (1.84,2.5) Point DD = (1.84,2.5) Point DD = (1.84,2.5) Point OPoint O: Intersection point of b, a_1Point OPoint O: Intersection point of b, a_1Point OPoint O: Intersection point of b, a_1Point MPoint M: Point on cPoint MPoint M: Point on cPoint MPoint M: Point on c

Image of Two Triangles Having Three Parallel Lines

Choices

Choice (4)Response

a.

9 cm

b.

2 cm

c.

4.2 cm

d.

3 cm

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