# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 317 - 324 of 989

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## Question 317

Mathematics
Edit

### Question

MCQ▾

AB is a chord of length 30 cm of a circle with center O and radius 17 cm. If Find the distance of the chord from the center.

### Choices

Choice (4)Response

a.

4 cm

b.

16 cm

c.

8 cm

d.

13 cm

## Question 318

Edit

### Question

MCQ▾

The ratio of the areas of two squares is 121: 169. The ratio of their perimeter in the same order is ________.

### Choices

Choice (4)Response

a.

16: 21

b.

21: 16

c.

11: 13

d.

13: 11

## Question 319

Mathematics
Edit

### Question

MCQ▾

ABCD is a parallelogram in which diagonals intersect at O. If then

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 320

Mathematics
Edit

### Question

MCQ▾

Number of angles formed by a transversal with a pair of lines

### Choices

Choice (4)Response

a.

8

b.

6

c.

4

d.

3

## Question 321

Mathematics
Edit

### Question

MCQ▾

Type of angle between the hands of a clock when the time is 4: 25 is

### Choices

Choice (4)Response

a.

Straight angle

b.

Acute angle

c.

Right angle

d.

Obtuse angle

## Question 322

Mathematics
Edit

### Question

MCQ▾

A pair of angles with a common vertex and common arm is called

### Choices

Choice (4)Response

a.

b.

Complementary

c.

Supplementary

d.

All of the above

## Question 323

Mathematics
Edit

### Question

MCQ▾

ABCD is a parallelogram in which diagonals intersect at O. If then

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 324

Mathematics
Edit

### Question

MCQ▾

In the adjoining figure, it is given that , and then ________.

### Choices

Choice (4)Response

a.

b.

c.

d.