# NCO- Cyber Olympiad Class 7: Questions 88 - 94 of 416

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## Question number: 88

MCQ▾

### Question

Which of the following is in descending order?

### Choices

Choice (4) Response

a.

b.

, ,

c.

, ,

d.

None of the above

## Question number: 89

MCQ▾

### Question

What is the number of triangles in the figure?

### Choices

Choice (4) Response

a.

36

b.

18

c.

29

d.

32

## Question number: 90

MCQ▾

### Question

The average of 3 results is 10 and that of the first two is 5. The third result is________.

### Choices

Choice (4) Response

a.

1

b.

12.5

c.

20

d.

50

## Question number: 91

MCQ▾

### Question

400 liters of milk is divided in two parts having ratio X: 20, if the first part is 200 liters, find x.

### Choices

Choice (4) Response

a.

20

b.

42

c.

39

d.

41

## Question number: 92

MCQ▾

### Question

Which of the following number is prime?

### Choices

Choice (4) Response

a.

119

b.

247

c.

187

d.

All a. , b. and c. are correct

## Question number: 93

MCQ▾

### Question

What letter should replace the question mark in the following series? B, A, D, ? , F, E

### Choices

Choice (4) Response

a.

C

b.

E

c.

A

d.

D

## Question number: 94

MCQ▾

### Question

The ratio of the number of boys and girls in a college is 5: 6. If the percentage increase in the number of boys and girls be 10 % and 15 % respectively, what will be the new ratio?

### Choices

Choice (4) Response

a.

5: 9

b.

21: 22

c.

8: 9

d.

23: 24

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