# IMO- Mathematics Olympiad Class 9: Questions 394 - 397 of 919

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## Question number: 394

MCQ▾

### Question

The area of a quadrilateral, one of whose diagonals is 30 cm long and the perpendiculars from the other two vertices are 19 cm and 11 cm respectively is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 395

MCQ▾

### Question

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.

30 cm

d.

40 cm

## Question number: 396

MCQ▾

### Question

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 number: 397

MCQ▾

### Question

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.

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