# Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 246 - 251 of 989

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## Question number: 246

Mathematics
Edit

### Question

MCQ▾

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
Edit

### Question

MCQ▾

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

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 248

Mathematics
Edit

### Question

MCQ▾

Measure of in the given figure is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 249

Mathematics
Edit

### Question

MCQ▾

In and the bisector of meets BC at P. Then the ascending order of sides is

### Choices

Choice (4)Response

a.

AP, BP, CP

b.

CP, BP, AP

c.

BP, AP, CP

d.

AP, CP, BP

## Question number: 250

Mathematics
Edit

### Question

MCQ▾

In the figure given below O is the center of the circle. Line AB intersects the circle only at point B and line DC intersects the circle only at point C. If the circle has a radius of 3 cm, then AC is

### Choices

Choice (4)Response

a.

b.

c.

d.

6 cm

## Question number: 251

Mathematics
Edit

### Question

MCQ▾

ABCD is a parallelogram in which and then = ________.

### Choices

Choice (4)Response

a.

b.

c.

d.