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 poly1 Triangle poly1: Polygon P, Q, R Triangle poly2 Triangle poly2: Polygon X, Y, Z Segment c Segment c: Segment [P, Q] of Triangle poly1 Segment a Segment a: Segment [Q, R] of Triangle poly1 Segment b Segment b: Segment [R, P] of Triangle poly1 Segment f Segment f: Segment [X, Y] of Triangle poly2 Segment d Segment d: Segment [Y, Z] of Triangle poly2 Segment e Segment e: Segment [Z, X] of Triangle poly2 Point P P = (2.69,5.07) Point P P = (2.69,5.07) Point P P = (2.69,5.07) Point Q Q = (0.91,1.81) Point Q Q = (0.91,1.81) Point Q Q = (0.91,1.81) Point R R = (4.87,1.79) Point R R = (4.87,1.79) Point R R = (4.87,1.79) Point X X = (8.23,5.22) Point X X = (8.23,5.22) Point X X = (8.23,5.22) Point Y Y = (6.54,1.84) Point Y Y = (6.54,1.84) Point Y Y = (6.54,1.84) Point Z Z = (10.34,1.88) Point Z Z = (10.34,1.88) Point Z Z = (10.34,1.88) 9 text1 = “9” 4 text1_1 = “4” 36 text1_2 = “36” 3 text1_3 = “3” x text1_4 = “x” 2 text1_5 = “2”

Image of Two Similar Triangles PQR and XYZ

Representing the 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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