Mental Ability-Basic Algebra (NCO- Cyber Olympiad Class 6): Questions 1 - 6 of 11

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Question number: 1

» Mental Ability » Basic Algebra

MCQ▾

Question

What must be added to 5x2+3xy+7y2 to make it 2x2+8xy3y2 ?

Choices

Choice (4) Response

a.

8x26xy2y2

b.

7x2+5xy10y2

c.

2x2+xy9y2

d.

7x25xy+10y2

Question number: 2

» Mental Ability » Basic Algebra

MCQ▾

Question

In the equation below, if y has a value of 5.8, what is the value of x?

x=12y+2.3

Choices

Choice (4) Response

a.

x=70

b.

x=71.9

c.

x=69.3

d.

x=72

Question number: 3

» Mental Ability » Basic Algebra

MCQ▾

Question

In the equation below, if x has a value of 3, what is the value of y?

y=3x1

Choices

Choice (4) Response

a.

y=5

b.

y=10

c.

y=6

d.

y=8

Question number: 4

» Mental Ability » Basic Algebra

MCQ▾

Question

In the equation below, if y has a value of 3.5 and z has a value of -3.5, what is the value of x?

x=2y+12z

Choices

Choice (4) Response

a.

x=5.25

b.

x=5.5

c.

x=6

d.

x=5.67

Question number: 5

» Mental Ability » Basic Algebra

MCQ▾

Question

What must be subtracted from x2+6xy+2y2 to make it 4x2+2xy6y2 ?

Choices

Choice (4) Response

a.

5x24xy+8y2

b.

3x2+2xy5y2

c.

5x2+4xy+8y2

d.

8x26xy+4y2

Question number: 6

» Mental Ability » Basic Algebra

MCQ▾

Question

Given, x×y=x(y+1),x,yR the value of 11×3 is ________.

Choices

Choice (4) Response

a.

28

b.

2 11

c.

6

d.

44

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