NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 858 - 859 of 1484

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Question number: 858

» Mathematics » Quadratic Equations

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MCQ▾

Question

A man walks a distance 24 km in given time. If he walks 1 km/hr faster, he will perform the journey 2 hrs before. Find his normal rate of walking.

Choices

Choice (4)Response

a.

3 km/hr or -4 km/hr

b.

3 km/hr

c.

-4 km/hr

d.

All of the above

Question number: 859

» Mathematics » Triangles

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Question

In the following figure . Then x = ________.

Triangle poly1Triangle poly1: Polygon P, Q, RTriangle poly2Triangle poly2: Polygon X, Y, ZSegment cSegment c: Segment [P, Q] of Triangle poly1Segment aSegment a: Segment [Q, R] of Triangle poly1Segment bSegment b: Segment [R, P] of Triangle poly1Segment fSegment f: Segment [X, Y] of Triangle poly2Segment dSegment d: Segment [Y, Z] of Triangle poly2Segment eSegment e: Segment [Z, X] of Triangle poly2Point PP = (2.69,5.07) Point PP = (2.69,5.07) Point PP = (2.69,5.07) Point QQ = (0.91,1.81) Point QQ = (0.91,1.81) Point QQ = (0.91,1.81) Point RR = (4.87,1.79) Point RR = (4.87,1.79) Point RR = (4.87,1.79) Point XX = (8.23,5.22) Point XX = (8.23,5.22) Point XX = (8.23,5.22) Point YY = (6.54,1.84) Point YY = (6.54,1.84) Point YY = (6.54,1.84) Point ZZ = (10.34,1.88) Point ZZ = (10.34,1.88) Point ZZ = (10.34,1.88) 9text1 = “9”4text1_1 = “4”36text1_2 = “36”3text1_3 = “3”xtext1_4 = “x”2text1_5 = “2”

Image of Two Similar Triangles PQR and XYZ

Choices

Choice (4)Response

a.

18 cm

b.

21 cm

c.

16 cm

d.

None of the above

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