NCO- Cyber Olympiad (SOF) Class 10: Questions 120 - 123 of 461

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Question number: 120

» Mental Ability » Basic Geometry

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MCQ▾

Question

Given the symmetric shape below with a known perimeter of 77, then the area of the shape is (approx. )

Polygon poly1Polygon poly1: Polygon A, B, C, D, E, F, GSegment aSegment a: Segment [A, B] of Polygon poly1Segment bSegment b: Segment [B, C] of Polygon poly1Segment cSegment c: Segment [C, D] of Polygon poly1Segment dSegment d: Segment [D, E] of Polygon poly1Segment eSegment e: Segment [E, F] of Polygon poly1Segment fSegment f: Segment [F, G] of Polygon poly1Segment gSegment g: Segment [G, A] of Polygon poly1Segment hSegment h: Segment [B, H] x 5text1 = “x 5”x 3text1_1 = “x 3”x 5text1_2 = “x 5”xtext1_3 = “x”

Image of a Symmetric Shape Having Perimeter of 77

Representing the image of a symmetric shape having perimeter of 77

Choices

Choice (4)Response

a.

231

b.

312

c.

248

d.

292

Question number: 121

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

If stands for ‘addition’, stands for ‘subtraction’, stands for ‘division’, stands for ‘multiplication’, stands for ‘equal to’, stands for ‘greater than’ and stands for ‘less than’, then which of the following alternative is correct?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 122

» Mental Ability » Basic Geometry

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MCQ▾

Question

The ratio of radii of two cylinders is and heights are in the ratio 7: 6. The ratio of volumes is

Choices

Choice (4)Response

a.

1: 2

b.

3: 2

c.

7: 2

d.

2: 3

Question number: 123

» Mental Ability » Basic Arithmetic

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True-False▾

Statements

  1. If , then

  2. If , then

  3. If , then

  4. If then , where, a, b, c, d are real numbers, .

Choices

Choice (4)Response

a.

Only statement Ⅲ is true.

b.

Both statement Ⅰ & statement Ⅲ are true.

c.

Statement Ⅰ, Ⅲ & Ⅳ are all true.

d.

Both statement Ⅰ & statement Ⅳ are true.

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