NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 675 - 678 of 1484

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Question number: 675

» Mathematics » Quadratic Equations

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Question

If one root of is twice the other root, then the value of ‘a’ is

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Choice (4) Response

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Question number: 676

» Mathematics » Probability

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A card is drawn from a packet of 50 cards numbered 1 to 50. The probability of drawing a number which is a square is

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Choice (4) Response

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Question number: 677

» Mathematics » Trigonometry

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The length of shadow of a tower is times that of its length. The angle of elevation of the sun is ________.

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Choice (4) Response

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All of the above

Question number: 678

» Mathematics » Triangles

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In the figure, , D and E are midpoints of AB and BC and . Then ________.

Triangle poly1 Triangle poly1: Polygon A, B, C Arc d Arc d: Semicircle through H and I Segment c Segment c: Segment [A, B] of Triangle poly1 Segment a Segment a: Segment [B, C] of Triangle poly1 Segment b Segment b: Segment [C, A] of Triangle poly1 Segment f Segment f: Segment [D, E] Segment g Segment g: Segment [F, G] Segment g_1 Segment g_1: Segment [F_1, G_1] Segment g_2 Segment g_2: Segment [F_3, G_3] Segment g_3 Segment g_3: Segment [F_2, G_2] Segment g_4 Segment g_4: Segment [F_4, G_4] Segment g_5 Segment g_5: Segment [F_5, G_5] Point A A = (3.35,2.61) Point A A = (3.35,2.61) Point A A = (3.35,2.61) Point B B = (1.15,0.38) Point B B = (1.15,0.38) Point B B = (1.15,0.38) Point C C = (4.32,0.37) Point C C = (4.32,0.37) Point C C = (4.32,0.37) Point D Point D: Point on c Point D Point D: Point on c Point D Point D: Point on c Point E Point E: Point on a Point E Point E: Point on a Point E Point E: Point on a 75â° text1 = “75â°”

Image of a Triangle ABC in Which Angle C is 75 Degrees

Representing the image of a triangle ABC in which angle C is 75 degrees

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