# 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

 X -1 0 1 2 Y -3 -1 1 3

Which equation fits the data in the table?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 24

» Mental Ability » Basic Algebra

MCQ▾

### Question

What is equivalent to ?

### Choices

Choice (4) Response

a.

b.

c.

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 and intersect the circle at A and C respectively. What is the length of ?

### 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 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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