# IMO Level 1- Mathematics Olympiad (SOF) Class 10: Questions 346 - 351 of 968

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## Question number: 346

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MCQ▾

### Question

Two dices are thrown simultaneously. The probability of getting sum of atleast 11 is ________

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 347

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MCQ▾

### Question

What will be the area of the rhombus ?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 348

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MCQ▾

### Question

The mean of 20 observations is. By error, one observation was noted as was misread as 42. Then the correct mean is ________

### Choices

Choice (4) Response

a.

21.5

b.

28.3

c.

29.5

d.

26.5

## Question number: 349

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MCQ▾

### Question

A Motor maintains an average speed of 60 km/hr while going from P to Q and maintains an average speed of 90 km/hr while coming back from Q to P. the average speed of the motor is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 350

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MCQ▾

### Question

In the figure, then is ________ Given the Figure Triangle ABC is Similar to Triangle DCB Given the figure triangle ABC is similar to Triangle DCB in adjoining figure

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 351

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MCQ▾

### Question

In what ratio is the line segment joining the points is divided by Y-axis?

### Choices

Choice (4) Response

a.

5: 3

b.

c.

3: 5

d.

3: 2