# NCO- Cyber Olympiad (SOF) Class 7: Questions 1 of 416

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### Question

A certain distance is covered at a certain speed. If half of this distance is covered in double the time, the ratio of the two speeds is

### Choices

Choice (4) Response

a.

1: 4

b.

2: 1

c.

1: 2

d.

4: 1

Topic %Score

%Score

Ques. Time s

d.

## Explanation

• A certain distance is covered at a certain speed in time

• Then

• Now half of this distance is covered in triple in time, so distance and time t2 =

• New speed .

• Now, from (I), s2 =

• So,

• So, the ratio is 4: 1.