Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 337 - 339 of 989

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Question 337

Mathematics
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Question

MCQ▾

In the given figure, AOB is a diameter of a circle with center O. If , 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, O] Point OO = (3.46,2.88) Point OO = (3.46,2.88) Point OO = (3.46,2.88) Point BB = (1.06,2.88) Point BB = (1.06,2.88) Point BB = (1.06,2.88) 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 c125â°text1 = “125â°”

Image of a Circle with Center O and ∠BOD = 125

Choices

Choice (4)Response

a.

b.

c.

d.

Question 338

Mathematics
Edit

Question

MCQ▾

Two adjacent angles of a parallelogram are in the ratio 4: 5. The angles are:

Choices

Choice (4)Response

a.

120°, 60°

b.

80°, 100°

c.

90°, 70°

d.

40°, 50°

Question 339

Mathematics
Edit

Question

MCQ▾

From the adjoining figure the value of y is

Segment fSegment f: Segment [C, F] Segment gSegment g: Segment [C, B] Segment hSegment h: Segment [C, E] Segment iSegment i: Segment [C, J] Segment jSegment j: Segment [C, A] Segment kSegment k: Segment [C, D] Point AA = (-0.46,0.54) Point AA = (-0.46,0.54) Point AA = (-0.46,0.54) Point BB = (6.46,0.52) Point BB = (6.46,0.52) Point BB = (6.46,0.52) Point DD = (0.78,3.12) Point DD = (0.78,3.12) Point DD = (0.78,3.12) Point EE = (5.04, -2.16) Point EE = (5.04, -2.16) Point EE = (5.04, -2.16) Point FF = (5.78,2.9) Point FF = (5.78,2.9) Point FF = (5.78,2.9) Point JJ = (0.32, -1.68) Point JJ = (0.32, -1.68) Point JJ = (0.32, -1.68) Point CC = (2.92,0.48) Point CC = (2.92,0.48) Point CC = (2.92,0.48) 3yâ°text1_2 = “3yâ°”6yâ°text1_1 = “6yâ°”9yâ°text1_3 = “9yâ°”

Image of an Adjoining Figure Making Six Angles

Choices

Choice (4)Response

a.

b.

c.

d.