Mental Ability-Basic Algebra (NCO- Cyber Olympiad Class 9): Questions 23 - 27 of 101

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Question number: 23

» Mental Ability » Basic Algebra

MCQ▾

Question

Find the best fit equation for the data

What will be the best fit equation for the data

X

-1

0

1

2

Y

-3

-1

1

3

Which equation fits the data in the table?

Choices

Choice (4) Response

a.

y=x+1

b.

y=x2

c.

y=2x1

d.

y=3x3

Question number: 24

» Mental Ability » Basic Algebra

MCQ▾

Question

What is equivalent to (2ab2)(3a2b5) ?

Choices

Choice (4) Response

a.

5ab

b.

6a2b15

c.

6a3b2

d.

None of the above

Question number: 25

» Mental Ability » Basic Algebra

MCQ▾

Question

Sapna cut a cake in two equal parts and one of these two pieces is again cut into equal parts. Each small part is of 15 grams. If there are five parts of the whole cake, what was the weight of the original cake?

Choices

Choice (4) Response

a.

120 grams

b.

150 grams

c.

100 grams

d.

160 grams

Question number: 26

» Mental Ability » Basic Algebra

MCQ▾

Question

Secants PB and PD intersect the circle at A and C respectively. What is the length of PC ?

Define the Secants linePB & linePD intersect the circle at A &C

Define the Secants linePB & linePD Intersect the Circle at a &C

here in image define the Secants line PB and line PD intersect the circle at A and C respectively find the length of line PC

Choices

Choice (4) Response

a.

4

b.

5

c.

3

d.

6

Question number: 27

» Mental Ability » Basic Algebra

MCQ▾

Question

In a circle of radius 6 cm. A secant and tangent are drawn from an external point P such that secant passes through the center of the circle and intersect the circle at B and D. The tangent segment has length x8 cm and the external segment of the secant has length 4 cm. What is the length of the tangent segment?

Choices

Choice (4) Response

a.

8

b.

3

c.

9

d.

5

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