# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 243 - 248 of 989

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## Question number: 243

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MCQ▾

### Question

In a rhombus ABCD, and . Find the diagonal BD.

### Choices

Choice (4)Response

a.

12 cm

b.

6 cm

c.

Insufficient data

d.

## Question number: 244

» Mathematics » Lines and Angles

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MCQ▾

### Question

An angle which measures is called

### Choices

Choice (4)Response

a.

Acute

b.

Left

c.

Straight

d.

Right

## Question number: 245

» Mathematics » Lines and Angles

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MCQ▾

### Question

Which of the following pair is a complementary?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 246

» Mathematics » Circles

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MCQ▾

### Question

Which of the following statement (s) is/are true?

### Choices

Choice (4)Response

a.

Two chords of a circle equidistant from the center are equal

b.

Equal chords in a circle subtend equal angles at the center

c.

Angle in a semicircle is a right angle

d.

All a. , b. and c. are correct

## Question number: 247

» Mathematics » Lines and Angles

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MCQ▾

### Question

Sum of all three interior angles of a triangle is equal to

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 248

» Mathematics » Lines and Angles

Edit
MCQ▾

### Question

Measure of in the given figure is

### Choices

Choice (4)Response

a.

b.

c.

d.

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