# NCO- Cyber Olympiad Class 9: Questions 381 - 384 of 410

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## Question number: 381

Appeared in Year: 2011

MCQ▾

### Question

How many triangles are there in the given figure?

### Choices

Choice (4) Response

a.

12

b.

10

c.

11

d.

14

## Question number: 382

MCQ▾

### Question

Which of the equations below represents the second step of the solution process?

Step 1.

Step 2. ________

Step 3.

Step 4.

Step 5.

Step 6.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 383

Appeared in Year: 2011

MCQ▾

### Question

A, B, C, D, E, F and G are sitting in a line facing the east. C is to the immediate right of D. B is at one of the extreme ends and has E as his neighbour. G is between E and F. D is sitting third from the south end. Who are the person’s sittings at the extreme ends?

### Choices

Choice (4) Response

a.

F and B

b.

C and D

c.

A and B

d.

A and E

## Question number: 384

MCQ▾

### Question

Can you guess this number.

1. The number is not an odd number
2. It has exactly four factors

3. If you reverse the digits, a prime number is formed

4. The sum of the digits is a two digit prime number

5. The number is less than the square root of

6. One of the digits is a square number

What number are we thinking of?

### Choices

Choice (4) Response

a.

44

b.

73

c.

74

d.

75

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