# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 164 - 169 of 989

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## Question number: 164

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MCQ▾

### Question

A quadrilateral in which diagonals are equal and bisect each other perpendicularly in a ________.

### Choices

Choice (4)Response

a.

Rectangle which is not a square

b.

Rhombus which is not a square

c.

Square

d.

All of the above

## Question number: 165

» Mathematics » Lines and Angles

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MCQ▾

### Question

A rotating ray after making a complete rotation coincides with its initial position. The angle formed is

### Choices

Choice (4)Response

a.

Right angle

b.

Reflex angle

c.

Complete angle

d.

Straight angle

## Question number: 166

» Mathematics » Circles

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MCQ▾

### Question

AB is a chord of a circle of radius 4.2 cm and P is a point on it which divided it into two parts in the ratio 7: 9. If P is 3.8 cm distant from the center O, the length of AB is

### Choices

Choice (4)Response

a.

5.44 cm

b.

8 cm

c.

1.36 cm

d.

2.72 cm

## Question number: 167

» Mathematics » Lines and Angles

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MCQ▾

### Question

In a right angled triangle if an angle measures then the measure of other angle is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 168

» Mathematics » Circles

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MCQ▾

### Question

The radius of a circle is 5 cm. AB and CD are two parallel chords 5.4 cm apart. If cm then CD is equal to

### Choices

Choice (4)Response

a.

11 cm

b.

4 cm

c.

6 cm

d.

14 cm

## Question number: 169

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MCQ▾

### Question

LMNO is a square A, B, C, D are the mid-points of four sides. Then the figure ABCD is

### Choices

Choice (4)Response

a.

Parallelogram

b.

Square

c.

Rectangle

d.

Trapezium

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