NCO- Cyber Olympiad (SOF) Class 8: Questions 231 - 237 of 510

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Question number: 231

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

There are 400 students in the tenth grade. The ratio of girls to boys is 3: 5. What percent of the students are girls?

Choices

Choice (4)Response

a.

150%

b.

50%

c.

d.

Question number: 232

» Verbal Reasoning » Series Completion

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Question

What is the next number in this sequence?

18,54,162,486, ?

Choices

Choice (4)Response

a.

1,456

b.

1,458

c.

1,278

d.

2,828

Question number: 233

» Mental Ability » Basic Geometry

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Question

The surface area of a cube is . Its volume is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 234

» Mental Ability » Basic Geometry

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MCQ▾

Question

The volume of a cube is . Its surface area is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 235

» Mental Ability » Basic Algebra

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MCQ▾

Question

What is the value of , when ?

Choices

Choice (4)Response

a.

6

b.

9

c.

12

d.

3

Question number: 236

» Mental Ability » Basic Arithmetic

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MCQ▾

Question

If the cost price of 12 articles be equal to the selling price of 15 articles, the loss percent is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 237

» Mental Ability » Basic Geometry

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MCQ▾

Question

The given figure shows a square inscribed in a larger square. What is the area of the smaller square?

Quadrilateral poly1Quadrilateral poly1: Polygon A, B, C, DQuadrilateral poly2Quadrilateral poly2: Polygon E, F, G, HSegment aSegment a: Segment [A, B] of Quadrilateral poly1Segment bSegment b: Segment [B, C] of Quadrilateral poly1Segment cSegment c: Segment [C, D] of Quadrilateral poly1Segment dSegment d: Segment [D, A] of Quadrilateral poly1Segment eSegment e: Segment [E, F] of Quadrilateral poly2Segment fSegment f: Segment [F, G] of Quadrilateral poly2Segment gSegment g: Segment [G, H] of Quadrilateral poly2Segment hSegment h: Segment [H, E] of Quadrilateral poly2Point AA = (3.36,3.54) Point AA = (3.36,3.54) Point AA = (3.36,3.54) Point BB = (3.3,1.2) Point BB = (3.3,1.2) Point BB = (3.3,1.2) Point CC = (6.28,1.16) Point CC = (6.28,1.16) Point CC = (6.28,1.16) Point DD = (6.26,3.48) Point DD = (6.26,3.48) Point DD = (6.26,3.48) Point EPoint E: Point on aPoint EPoint E: Point on aPoint EPoint E: Point on aPoint FPoint F: Point on dPoint FPoint F: Point on dPoint FPoint F: Point on dPoint GPoint G: Point on cPoint GPoint G: Point on cPoint GPoint G: Point on cPoint HPoint H: Point on bPoint HPoint H: Point on bPoint HPoint H: Point on b7text1 = “7”24text1_1 = “24”7text1_2 = “7”24text1_3 = “24”7text1_4 = “7”24text1_5 = “24”7text1_6 = “7”24text1_7 = “24”

Image of a Smaller Square Which is Inscribed in a Bigger Square

Choices

Choice (4)Response

a.

576square units

b.

49square units

c.

961square units

d.

625square units

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