Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 305 - 306 of 989

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Question 305

Mathematics
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Question

MCQ▾

In the parallelogram ABCD, . The altitudes corresponding to the sides AE and CF are respectively 18 cm and 22 cm. Find AD.

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 [A, E] Segment gSegment g: Segment [C, F] Point AA = (0.63,3.85) Point AA = (0.63,3.85) Point AA = (0.63,3.85) Point BB = (5.11,3.84) Point BB = (5.11,3.84) Point BB = (5.11,3.84) Point CC = (4.43,1.22) Point CC = (4.43,1.22) Point CC = (4.43,1.22) Point DD = (-0.04,1.25) Point DD = (-0.04,1.25) Point DD = (-0.04,1.25) Point EPoint E: Point on cPoint EPoint E: Point on cPoint EPoint E: Point on cPoint FPoint F: Point on dPoint FPoint F: Point on dPoint FPoint F: Point on d18 cmtext1 = “18 cm”22 cmtext1_1 = “22 cm”24 cmtext1_2 = “24 cm”

Image of a Parallelogram ABCD in Which AB = 24 Cm

Choices

Choice (4)Response

a.

cm

b.

cm

c.

cm

d.

cm

Question 306

Mathematics
Edit

Question

MCQ▾

In the given figure, two chord AB and CD of a circle intersect each other at a point O such that . Then find .

Circle cCircle c: Circle through B with center OArc dArc d: Semicircle through E and FArc eArc e: Semicircle through G and HSegment fSegment f: Segment [B, A] Segment gSegment g: Segment [A, C] Segment hSegment h: Segment [C, D] Segment iSegment i: Segment [D, B] Point OO = (3.3,2.58) Point OO = (3.3,2.58) Point OO = (3.3,2.58) Point BB = (4.98,1) Point BB = (4.98,1) Point BB = (4.98,1) Point APoint A: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on c50â°text1 = “50â°”115â°text1_1 = “115â°”

Image of a Circle with Two Chords AB and CD

Choices

Choice (4)Response

a.

b.

c.

d.