# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 392 - 395 of 929

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## Question number: 392

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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: 393

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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.

40 cm

d.

30 cm

## Question number: 394

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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 ________ Given the DEF is an Equilateral Triangle of Side 12 Cm Given the DEF is an equilateral triangle of side 12 cm. S, T and U are midpoints of DE, EF and DF respectively find the area of triangle STU

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 395

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MCQ▾

### Question

In parallelogram ABCD. The altitudes corresponding to the sides AB and AD are respectively 4 cm and 5 cm. Find AD. Given the ABCD is a Parallelogram and AB is 20 Cm In image define ABCD is a parallelogram and AB is 20 cm and 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.