# NCO- Cyber Olympiad (SOF) Class 9: Questions 58 - 62 of 522

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## Question number: 58

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MCQ▾

### Question

The factors of the expression are

### Choices

Choice (4) Response

a.

b.

c.

d.

All a. , b. and c. are correct

## Question number: 59

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MCQ▾

### Question

Three years ago the average age of P and Q was 16 years. With R joining them, the average becomes 20 years. How old is R now?

### Choices

Choice (4) Response

a.

45 years

b.

34 years

c.

12 years

d.

22 years

## Question number: 60

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MCQ▾

### Question

Triangle PAB is formed by three tangents to circle O and ; then angle AOB equals

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 61

» Mental Ability » Number Games » Number Analogies

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MCQ▾

### Question

OM = 28 and RIYA = 53, RITU=?

### Choices

Choice (4) Response

a.

68

b.

58

c.

88

d.

78

## Question number: 62

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MCQ▾

### Question

The series of diagrams called PROBLEM FIGURES consists of figures in a particular sequence. You have to pick out the figure from the given options which should come at the end of problem figures.

### Choices

Choice (4) Response

a.

b.

c.

d.

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