NCO- Cyber Olympiad (SOF) Class 10: Questions 68 - 72 of 461

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Question number: 68

» Mental Ability » Basic Geometry

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Question

The top of a ladder is leaning against a building at a point 8 feet above the ground; the bottom of the ladder is 6 feet from the building. What is the length of the ladder?

Choices

Choice (4) Response

a.

10 ft

b.

36 ft

c.

64 ft

d.

14 ft

Question number: 69

» Mental Ability » Basic Geometry

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Question

A metallic sheet is of rectangular shape with dimensions . From each one of its corners, a square of 3 cm is cut off. An open box is made of the remaining sheet. Find the volume of the box.

Image of a metallic sheet having rectangular shape

Image of a Metallic Sheet Having Rectangular Shape

Representing the image of a metallic sheet having rectangular shape

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 70

» Mental Ability » Basic Arithmetic

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Question

A train for Goa leaves every twenty minutes from a railway station. An enquiry clerk told a passenger that the train had already left five minutes ago and the next train will leave at 11: 35 a. m. At what time did the enquiry clerk give this information to the passenger?

Choices

Choice (4) Response

a.

10: 20 a. m.

b.

11: 15 a. m.

c.

11: 50 a. m.

d.

11: 20 a. m.

Question number: 71

» Mental Ability » Basic Arithmetic

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Question

A number when divided by 81 gives a remainder 32. By dividing the same number by 27, what would be the remainder?

Choices

Choice (4) Response

a.

3

b.

6

c.

9

d.

5

Question number: 72

» Mental Ability » Basic Geometry

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Question

The radii of two spheres are in the ratio 2: 3. Find the ratio of their surface areas.

Choices

Choice (4) Response

a.

b.

c.

d.