# NCO- Cyber Olympiad Class 9: Questions 145 - 149 of 410

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## Question number: 145

MCQ▾

### Question

The distance between the points (-2, 7) and (3, -8) is

### Choices

Choice (4) Response

a.

b.

c.

16

d.

200

## Question number: 146

MCQ▾

### Question

Which equation is the slope- intercept form of ?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 147

MCQ▾

### Question

In the figure, AB is a mirror; PQ is the incident ray and QR is the reflected ray. If ∠PQR = 136°, find ∠PQA. (Provided ∠a = ∠b)

### Choices

Choice (4) Response

a.

22°

b.

30°

c.

27°

d.

43°

## Question number: 148

MCQ▾

### Question

A and B are brothers. C and D are sisters. A’s son is D’s brother. How B is related to C?

### Choices

Choice (4) Response

a.

Brother

b.

Uncle

c.

Father

d.

Grandfather

## Question number: 149

MCQ▾

### Question

Out of the four figures (A), (B), (C), and (D), given in each problem, three are similar in a certain way. However, one figure is not like the other three. Choose the figure which is different from the rest

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page