# NCO- Cyber Olympiad (SOF) Class 6: Questions 239 - 244 of 722

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## Question number: 239

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MCQ▾

### Question

By how much must 27 be decreased so that it bears same ratio to 49 as 12 to 28?

### Choices

Choice (4)Response

a.

7

b.

2

c.

6

d.

3

## Question number: 240

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MCQ▾

### Question

In parallelogram ABCD, E and F are the midpoints of AB and CD respectively. Which of the following is not true?

### Choices

Choice (4)Response

a.

AF trisects BD

b.

CE trisects BD

c.

d.

ED is not parallel to BF

## Question number: 241

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MCQ▾

is equal to,

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 242

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MCQ▾

### Question

If stands for ‘division’, stands for ‘equal to’, stands for ‘addition’, stands for ‘greater than’, stands for ‘less than’, stands for ‘multiplication’ and stands for ‘subtraction’, then which of the following alternative is correct?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 243

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MCQ▾

### Question

when expressed as a percentage of , is ________.

### Choices

Choice (4)Response

a.

26%

b.

50%

c.

60%

d.

27.78%

## Question number: 244

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MCQ▾

### Question

If stands for ‘division’, stands for ‘equal to’, stands for ‘addition’, stands for ‘greater than’, stands for ‘less than’, stands for ‘multiplication’ and stands for ‘subtraction’, then which of the following alternative is correct?

### Choices

Choice (4)Response

a.

b.

c.

d.

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