# Mental Ability (NCO- Cyber Olympiad Class 9): Questions 181 - 184 of 219

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## Question number: 181

» Mental Ability » Number Games » Number Series

MCQ▾

### Question

Count each 7 which is not immediately preceded by 5 but is immediately followed by either 2 or 3. How many such 7 are there?

5 7 2 6 5 7 3 8 3 7 3 2 2 5 7 2 7 3 4 8 2 6 7 8

### Choices

Choice (4) Response

a.

3

b.

4

c.

5

d.

2

## Question number: 182

» Mental Ability » Basic Algebra

MCQ▾

### Question

A 200-cm piece of wire was cut into equal segments, which were then soldered at the ends to form the edges of a square. What is the Area of the square?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 183

» Mental Ability » Basic Algebra

MCQ▾

### Question

Ms Sunena works at a Electronic shop. Last week she sold 7 more than 4 times the number of TVs that she sold this week. Ms. Sunena sold a total of 100 TVs over the 2 weeks. Which system of equations can be used to find P, the number of TVs she sold last week and Q the number of TVs she sold this week?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 184

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

### Question

The given cube is constructed so that the sphere shown would fit inside it, touching the center of each face of the cube at exactly one point. Which of the following lengths best represents the diameter of the sphere?

### Choices

Choice (4) Response

a.

LJ

b.

LK

c.

HK

d.

HJ

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