Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 551 - 559 of 989

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Question 551

Mathematics
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Question

MCQ▾

In a quadrilateral the sides are 8,15,13,18 units and the angle between first sides is a right angle. The area of quadrilateral is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 552

Mathematics
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Question

MCQ▾

equals

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Choice (4)Response

a.

b.

c.

d.

Question 553

Mathematics
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Question

MCQ▾

A bag contains 6 blue and 9 black balls. If a ball is drawn at random, the probability that the drawn ball to blue is

Choices

Choice (4)Response

a.

b.

c.

d.

Question 554

Mathematics
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Question

MCQ▾

The value of x from

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Choice (4)Response

a.

b.

c.

d.

All of the above

Question 555

Mathematics
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Question

MCQ▾

The mean of 15 numbers is 35. If 5 is added to each of the first five numbers, then the mean of the new set of 15 numbers is

Choices

Choice (4)Response

a.

30

b.

45.51

c.

36.67

d.

37

Question 556

Mathematics
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Question

MCQ▾

If and , then the value of is:

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Choice (4)Response

a.

704

b.

407

c.

470

d.

308

Question 557

Mathematics
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Question

MCQ▾

The sides of a triangle are 22 cm, 30 cm and 32 cm. The altitude to largest side is

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Choice (4)Response

a.

b.

c.

cm

d.

Question 558

Mathematics
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Question

MCQ▾

The rational number between and is:

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Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question 559

Mathematics
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Question

MCQ▾

In the following figure if AB = AC then find .

Triangle poly1Triangle poly1: Polygon A, C, BArc dArc d: Semicircle through K and LArc eArc e: Semicircle through D and FSegment cSegment c: Segment [A, C] of Triangle poly1Segment aSegment a: Segment [C, B] of Triangle poly1Segment bSegment b: Segment [B, A] of Triangle poly1Segment fSegment f: Segment [G, H] Segment gSegment g: Segment [G, H] Segment iSegment i: Segment [C, E] Segment hSegment h: Segment [M, N] Segment f_1Segment f_1: Segment [G_1, H_1] Segment h_1Segment h_1: Segment [M_1, N_1] Point AA = (4.86,3.98) Point AA = (4.86,3.98) Point AA = (4.86,3.98) Point CC = (6.56,0.66) Point CC = (6.56,0.66) Point CC = (6.56,0.66) Point BB = (2.84,0.66) Point BB = (2.84,0.66) Point BB = (2.84,0.66) Point EE = (9.38,0.66) Point EE = (9.38,0.66) Point EE = (9.38,0.66) xtext1 = “x”x 50â°text1_1 = “x 50â°”

Image of a Triangle ABC in Which AB = AC

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Choice (4)Response

a.

b.

c.

d.