# Mental Ability (NCO- Cyber Olympiad Class 9): Questions 61 - 65 of 219

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 410 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

## Question number: 61

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

How many liters of nitrogen solution should be added to 20 liters of a nitrogen solution to make a solution?

### Choices

Choice (4) Response

a.

20 liters

b.

30 liters

c.

90 liters

d.

60 liters

## Question number: 62

» Mental Ability » Basic Algebra

MCQ▾

### Question

The solution of the equations , is

### Choices

Choice (4) Response

a.

b.

c.

d.

There is no solution

## Question number: 63

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

In a pure platinum solution quantity of Sterling platinum is . How many grams of sterling platinum must be mixed to a platinum alloy to obtain a 500 gm of a platinum alloy?

### Choices

Choice (4) Response

a.

650 gm

b.

548 gm

c.

439 gm

d.

539 gm

## Question number: 64

» Mental Ability » Basic Statistics

MCQ▾

### Question

Study the diagram given below and answer the questions that follow:

Rectangle is qualified Painter, circle is Experienced painter and Circle is represent Oil painting painter

Find the qualified and experienced Oil painting painter.

### Choices

Choice (4) Response

a.

3

b.

5

c.

6

d.

7

## Question number: 65

» Mental Ability » Basic Algebra

MCQ▾

### Question

The factors of the expression is

### Choices

Choice (4) Response

a.

b.

c.

d.

Both a. and c. are correct

f Page