# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 393 - 398 of 931

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## Question 393

### Question

MCQ▾

A cylindrical vessel 60 cm in diameter is partially filled with water. A sphere, 60 cm in diameter is gently dropped into the vessel. To what further height will water rise in the cylinder?

### Choices

Choice (4)Response

a.

25 cm

b.

15 cm

c.

40 cm

d.

30 cm

## Question 394

### Question

MCQ▾

DEF is an equilateral triangle of side . S, T and U are midpoints of DE, EF and DF respectively. The area of triangle STU is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 395

### Question

MCQ▾

In parallelogram ABCD . The altitudes corresponding to the sides AB and AD are respectively 4 cm and 5 cm. Find AD.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 396

### Question

MCQ▾

The sides BC, CA and AB of are produces in order to form exterior angles and , then is ________

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 397

### Question

MCQ▾

In the adjoining figure, Line p and q are transversals, then ST = ________

### Choices

Choice (4)Response

a.

10 units

b.

15 units

c.

12 units

d.

14 units

## Question 398

### Question

MCQ▾

In the medians PS, QT and RU pass through O. if , and then OS is ________

### Choices

Choice (4)Response

a.

2.5

b.

2.6

c.

2.3

d.

2.9