# Mental Ability (NCO- Cyber Olympiad Class 9): Questions 85 - 89 of 219

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## Question number: 85

» Mental Ability » Basic Statistics

MCQ▾

### Question

The Venn diagram shows the animals.

How many animals can swim, have fins and breathe air?

### Choices

Choice (4) Response

a.

4

b.

3

c.

2

d.

1

## Question number: 86

» Mental Ability » Basic Algebra

MCQ▾

### Question

What is equivalent to ?

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 87

» 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: 88

» Mental Ability » Basic Arithmetic

MCQ▾

### Question

Divide 116 among four parts such that 5 added to first part, 4 subtracted from second part, third multiplied by 3 and the fourth divided by2 are all equal.

### Choices

Choice (4) Response

a.

24, 36, 72, 90

b.

22, 31, 9, 54

c.

15, 30, 45, 60

d.

32, 21, 9, 60

## Question number: 89

» 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

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