# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 366 - 371 of 929

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## Question number: 366

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MCQ▾

### Question

In the given figure, where P, Q and R are points on a circle with center O. Then is ________ PQR Angle is 100 Where P, Q and R Are Points on a Circle PQR angle is 100, where P, Q and R are points on a circle with center O, then find the OPR

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 367

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MCQ▾

### Question

In the figure, the value of x if , is ________ Given the FG, HI and JK Are Parallel Lines Given the FG, HI and JK are parallel lines, then find the value of x

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 368

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MCQ▾

### Question

If the point (-7, k) is on the graph of the equation find the value of k?

### Choices

Choice (4) Response

a.

5

b.

10

c.

20

d.

15

## Question number: 369

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MCQ▾

### Question

If the radius of a sphere is doubled, then its volume is increased by________

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Choice (4) Response

a.

b.

c.

d.

## Question number: 370

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### Question

Volume of a hemisphere is 19404 cubic cm. The total surface area is ________.

### Choices

Choice (4) Response

a.

1386 sq. cm

b.

5544 sq. cm

c.

2772 sq. cm

d.

4158 sq. cm

## Question number: 371

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MCQ▾

### Question

In the given figure, , where A, B and C are points on a circle with center O. then is ________ Given ABC Angle is 130, Where a, B and C Are Points on a Circle ABC angle is 130, where A, B and C are points on a circle with center O, then find the ∠OAC

### Choices

Choice (4) Response

a.

b.

c.

d.