# NCO- Cyber Olympiad (SOF) Class 9: Questions 219 - 225 of 522

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## Question number: 219

Edit
MCQ▾

### Question

What is equivalent to ?

### Choices

Choice (4)Response

a.

b.

c.

10abc

d.

## Question number: 220

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MCQ▾

### Question

‘Arc’ is related to ‘Circle’ in the same way ‘Part’ is related to ________.

### Choices

Choice (4)Response

a.

Triangle

b.

Whole

c.

Pentagon

d.

Trapezoid

## Question number: 221

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MCQ▾

### Question

Avinash is Ravi’s eldest brother. Ravi is younger than Ajay. Ravi and Ajay are not brothers. Which of the following statements is definitely true?

### Choices

Choice (4)Response

a.

Ajay is younger than Avinash

b.

Avinash is younger than Ajay

c.

Ajay is younger than Ravi

d.

None of the above

## Question number: 222

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MCQ▾

### Question

In figure AB|| EF, ED|| CD and ∠APE is 39°. Find ∠CQF.

### Choices

Choice (4)Response

a.

151°

b.

141°

c.

121°

d.

131°

## Question number: 223

Edit
MCQ▾

### Question

Five children take part in tournament. Each one has to play every other one. How many games must they play?

### Choices

Choice (4)Response

a.

8

b.

10

c.

5

d.

4

## Question number: 224

Edit
MCQ▾

### Question

If , find the value of

### Choices

Choice (4)Response

a.

324

b.

322

c.

325

d.

323

## Question number: 225

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MCQ▾

### Question

Given , , and find the value of the following expression correct up to three places of decimal: .

### Choices

Choice (4)Response

a.

-10

b.

-30

c.

-17

d.

-12

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