NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 1167 - 1174 of 2028

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Question number: 1167

» Mathematics » Comparing Quantities

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MCQ▾

Question

A certain number of men can finish a piece of work in 100 days. If there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally?

Choices

Choice (4) Response

a.

75

b.

82

c.

110

d.

100

Question number: 1168

» Chemistry » Synthetic Fibers and Plastics

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Question

Which of the following fibre is made of coal, air and water?

Choices

Choice (4) Response

a.

Rayon

b.

Polyester

c.

Terrycot

d.

Nylon

Question number: 1169

» Mathematics » Factorization

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Question

The real factors of are:

Choices

Choice (4) Response

a.

Does not exist

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 1170

» Mathematics » Rational Numbers

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Question

The product of two rational numbers is . If one of the numbers is , then the other number is:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1171

» Mathematics » Square and Square Roots

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MCQ▾

Question

The least perfect square exactly divisible by each of the numbers 6,9, 15 and 20 is:

Choices

Choice (4) Response

a.

225

b.

900

c.

400

d.

3,600

Question number: 1172

» Mathematics » Factorization

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MCQ▾

Question

The factors of are:

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 1173

» Chemistry » Synthetic Fibers and Plastics

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MCQ▾

Question

Which of the following is the first commercially synthesized fibre?

Choices

Choice (4) Response

a.

Rayon

b.

Cotton

c.

Wool

d.

Nylon

Question number: 1174

» Mathematics » Practical Geometry

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MCQ▾

Question

The following figure shows a polygon with all its exterior angles.

Arc c Arc c: Semicircle through K and L Arc d Arc d: Semicircle through M and N Arc e Arc e: Semicircle through O and P Arc k Arc k: Semicircle through Q and R Arc p Arc p: Semicircle through S and T Segment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D] Segment h Segment h: Segment [E, F] Segment i Segment i: Segment [G, H] Segment j Segment j: Segment [I, J] 4x text1 = “4x” 3x text1_1 = “3x” 2x text1_2 = “2x” 6x text1_3 = “6x” 5x text1_4 = “5x”

Image of a Polygon Having Five Sides and Exterior Angles

Showing the image of a polygon having five sides and exterior angles

The value of x is:

Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: