# IMO Level 1- Mathematics Olympiad (SOF) Class 9: Questions 405 - 409 of 929

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## Question number: 405

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### Question

In the given figure, WXYZ is a rectangle. If, then the value of is ________ Given the WXYZ is a Rectangle and Angle YWX is 30 Given the WXYZ is a rectangle and angle YWX is 30 and find the value of J + K

### Choices

Choice (4) Response

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b.

c.

d.

## Question number: 406

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### Question

The area of trapezium VXYZ is ________ Given VXYZ is a Trapezium Given VXYZ is a trapezium finds the area

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Choice (4) Response

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b.

c.

d.

## Question number: 407

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### Question

A spherical ball of lead, 9 cm in diameter is melted and recast into four spherical balls. The diameter of three of these are 3 cm, 2 cm, 2.5 cm is respectively. The radius of the fourth ball is________.

### Choices

Choice (4) Response

a.

6.79 cm

b.

8.79 cm

c.

5.79 cm

d.

7.79cm

## Question number: 408

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MCQ▾

### Question

In the adjoining figure, AP and BP are angle bisectors of and which meet at P of the parallelogram ABCD. Then Given ADCD is an Adjoining Figure and AP and BP Are Bisectors Given the AP and BP is angle bisectors of ∠Aand ∠B which meet at P of the parallelogram ABCD

### Choices

Choice (4) Response

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b.

c.

d.

## Question number: 409

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MCQ▾

### Question

Write the coordinate of each the points A, B, C, D, E and F from the figure Find the Coordinates of the Various Points a, B, C, D, E and F Different points in graph and find the coordinates

### Choices

Choice (4) Response

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b.

c.

d.