# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 219 - 224 of 989

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## Question number: 219

Mathematics
Edit

### Question

MCQ▾

If bisectors of and of a quadrilateral ABCD intersect each other at P, of and at Q, of and at R and of and at S, then PQRS is a

### Choices

Choice (4)Response

a.

Parallelogram

b.

Rectangle

c.

Quadrilateral whose opposite angles are supplementary

d.

Rhombus

## Question number: 220

Mathematics
Edit

### Question

MCQ▾

As shown in the figure, ABC is a triangle inscribed in a circle with center O. If then is equal to

### Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 221

Mathematics
Edit

### Question

MCQ▾

From the adjoining figure the value of x is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 222

Mathematics
Edit

### Question

MCQ▾

In the given figure, AOB and COD are two diameters of a circle with center O. If . Find .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 223

Mathematics
Edit

### Question

MCQ▾

At 9 O’clock the angle formed between the hands of a clock is

### Choices

Choice (4)Response

a.

Reflex angle

b.

Acute angle

c.

Right angle

d.

Straight angle

## Question number: 224

Edit

### Question

MCQ▾

The area of a rhombus is . If one of its diagonals is 5 cm, the other diagonal is ________.

### Choices

Choice (4)Response

a.

15 cm

b.

10 cm

c.

12 cm

d.

7 cm