Mental Ability-Basic Algebra (NCO- Cyber Olympiad Class 9): Questions 34 - 42 of 101

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Question number: 34

» Mental Ability » Basic Algebra

MCQ▾

Question

Which is equivalent to (8a2b7)(5a3b2c) ?

Choices

Choice (4) Response

a.

40a5b9c

b.

40a5b9

c.

40a5b9c

d.

40abc

Question number: 35

» Mental Ability » Basic Algebra

MCQ▾

Question

What is the solution to 15+2n3=25 ?

Choices

Choice (4) Response

a.

-15

b.

30

c.

15

d.

-30

Question number: 36

» Mental Ability » Basic Algebra

MCQ▾

Question

What is the solution to 45+4n2=95 ?

Choices

Choice (4) Response

a.

15

b.

35

c.

45

d.

25

Question number: 37

» Mental Ability » Basic Algebra

MCQ▾

Question

What is the slope of the line y=45x13 ?

Choices

Choice (4) Response

a.

-4

b.

5

c.

45

d.

42

Question number: 38

» Mental Ability » Basic Algebra

MCQ▾

Question

Distance between the points (8, 10) and (4, -5) is

Choices

Choice (4) Response

a.

219

b.

400

c.

5310

d.

241

Question number: 39

» Mental Ability » Basic Algebra

MCQ▾

Question

If x = 3+8 , find the value of x2+1x2 .

Choices

Choice (4) Response

a.

32

b.

45

c.

34

d.

25

Question number: 40

» Mental Ability » Basic Algebra

MCQ▾

Question

Secants MN and MP intersect the circle at R and O respectively. What is the length of MO ?

Secants intersect the circle at R and O respectively

Secants Intersect the Circle at R and O Respectively

Secants intersect the circle at A and C respectively find the length of MO

Choices

Choice (4) Response

a.

3318

b.

17

c.

26

d.

1522

Question number: 41

» Mental Ability » Basic Algebra

MCQ▾

Question

What is the solution to 5n2=12 ?

Choices

Choice (4) Response

a.

14

b.

34

c.

-34

d.

-14

Question number: 42

» Mental Ability » Basic Algebra

MCQ▾

Question

(x4+y4)(x2+y2)(x+y)(xy) is a factorization product of

Choices

Choice (4) Response

a.

(x8y8)

b.

(x6y6)

c.

(x12y12)

d.

(x10y10)

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