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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MCQ▾

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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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 poly1 Quadrilateral poly1: Polygon A, B, C, D Quadrilateral poly2 Quadrilateral poly2: Polygon E, F, G, H Segment a Segment a: Segment [A, B] of Quadrilateral poly1 Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c Segment c: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, A] of Quadrilateral poly1 Segment e Segment e: Segment [E, F] of Quadrilateral poly2 Segment f Segment f: Segment [F, G] of Quadrilateral poly2 Segment g Segment g: Segment [G, H] of Quadrilateral poly2 Segment h Segment h: Segment [H, E] of Quadrilateral poly2 Point A A = (3.36,3.54) Point A A = (3.36,3.54) Point A A = (3.36,3.54) Point B B = (3.3,1.2) Point B B = (3.3,1.2) Point B B = (3.3,1.2) Point C C = (6.28,1.16) Point C C = (6.28,1.16) Point C C = (6.28,1.16) Point D D = (6.26,3.48) Point D D = (6.26,3.48) Point D D = (6.26,3.48) Point E Point E: Point on a Point E Point E: Point on a Point E Point E: Point on a Point F Point F: Point on d Point F Point F: Point on d Point F Point F: Point on d Point G Point G: Point on c Point G Point G: Point on c Point G Point G: Point on c Point H Point H: Point on b Point H Point H: Point on b Point H Point H: Point on b 7 text1 = “7” 24 text1_1 = “24” 7 text1_2 = “7” 24 text1_3 = “24” 7 text1_4 = “7” 24 text1_5 = “24” 7 text1_6 = “7” 24 text1_7 = “24”

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

Representing the 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