NCO- Cyber Olympiad (SOF) Class 9: Questions 372 - 375 of 520

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Question number: 372

» Mental Ability » Basic Algebra

MCQ▾

Question

Anita has a broken fan belt on her car. The belt goes around 2 pulleys, whose centers are 30 cm apart and each pulley is 10 cm in diameter. How long should the belt be?

Choices

Choice (4) Response

a.

88.6 cm

b.

23.6 cm

c.

80.8 cm

d.

91.4 cm

Question number: 373

» Logical and Analytical Reasoning » Puzzle Test

Appeared in Year: 2011

MCQ▾

Question

Find the missing number.

Given the multiple numbers

Given the Multiple Numbers

Given the multiple numbers and find the missing number

Choices

Choice (4) Response

a.

42

b.

34

c.

44

d.

45

Question number: 374

» Mental Ability » Basic Algebra

MCQ▾

Question

Which expression describes the area in square units of a rectangle that has a width of and a length of ?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 375

» Logical and Analytical Reasoning » Puzzle Test

Appeared in Year: 2011

MCQ▾

Question

Observe the following notations:

The time taken by two running trains for crossing each other is calculated by dividing the sum of the lengths of two trains by the total speed of the two trains. If the length of first train is , the length of second train is , the speed of first train is , and the speed of the second train is , which of the following expressions would represent the time taken?

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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