# Mental Ability (NCO- Cyber Olympiad Class 9): Questions 66 - 72 of 219

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## Question number: 66

» Mental Ability » Basic Algebra

MCQ▾

### Question

One of the factors of the expression is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 67

» Mental Ability » Basic Algebra

MCQ▾

If and , then

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 68

» Mental Ability » Basic Algebra

MCQ▾

and , then

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 69

» Mental Ability » Number Games » Number Analogies

MCQ▾

### Question

BOOK = 43 and PEN = 35, COPY=?

### Choices

Choice (4) Response

a.

79

b.

48

c.

59

d.

60

## Question number: 70

» Mental Ability » Basic Algebra

MCQ▾

then equals

### Choices

Choice (4) Response

a.

b.

c.

194

d.

180

## Question number: 71

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

A shepherd had 17 sheep. All but nine died. How many was he left with?

### Choices

Choice (4) Response

a.

8

b.

17

c.

9

d.

None of the above

## Question number: 72

» Mental Ability » Basic Geometry

MCQ▾

### Question

Triangle XZY is formed by three tangents to circle C and ; then angle ZCY equals

### Choices

Choice (4) Response

a.

b.

c.

d.

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