# Mental Ability-Basic Algebra (NCO- Cyber Olympiad (SOF) Class 9): Questions 65 - 68 of 101

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## Question number: 65

» 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: 66

» 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

## Question number: 67

» Mental Ability » Basic Algebra

Appeared in Year: 2011

MCQ▾

### Question

is expressed as a product of a linear factor and a quadratic factor. The linear factor is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 68

» Mental Ability » Basic Algebra

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.

### Choices

Choice (4) Response

a.

b.

c.

d.

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