# NCO- Cyber Olympiad Class 9: Questions 279 - 283 of 440

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## Question number: 279

MCQ▾

### Question

In a four-sided field, the longer diagonal is 110 m. The perpendiculars from the opposite vertices upon the longer diagonal are 16.6 m and 13.4 m. find the area of the field.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 280

MCQ▾

### Question

In a four-sided field, the longer diagonal is 200 m. The perpendiculars from the opposite vertices upon the longer diagonal are 15 m and 12 m. find the area of the field.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 281

MCQ▾

### Question

How many squares are there in the following figure?

### Choices

Choice (4) Response

a.

9

b.

12

c.

10

d.

11

## Question number: 282

MCQ▾

### Question

When the following figure is folded to form a cube, how many numbers would lie opposite the face bearing five numbers?

### Choices

Choice (4) Response

a.

3

b.

2

c.

4

d.

1

## Question number: 283

MCQ▾

### Question

The sum of two angles of a triangle is 106° and their difference is 10°, find all the angles of the triangle

### Choices

Choice (4) Response

a.

48°, 58°, 74°

b.

50°, 40°, 90°

c.

30°, 60°, 90°

d.

40°, 50°, 90°

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