# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 398 - 401 of 1059

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## Question number: 398

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MCQ▾

### Question

The decimal form of is

### Choices

Choice (4) Response

a.

5.000

b.

5.255

c.

5.375

d.

2.325

## Question number: 399

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MCQ▾

### Question

State which of the following statement (s) are true?

(i) We can draw a triangle with sides 3 cm, 4 cm and 7 cm.

(ii) We can draw a triangle with two right angles.

(iii) The exterior angle of a triangle is equal to the sum of the interior opposite angles.

(iv) Two angles which form a linear pair must be supplementary.

### Choices

Choice (4) Response

a.

(i) and (iii)

b.

(i) and (ii)

c.

(iii) and (iv)

d.

(i) and (iv)

## Question number: 400

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MCQ▾

### Question

Which of the following statement (s) is/are true?

### Choices

Choice (4) Response

a.

In a parallelogram the number of acute angles is zero (or) two.

b.

A quadrilateral in which both pairs of opposite angles are equal is parallelogram

c.

A parallelogram in which two adjacent angles are equal is a rectangle.

d.

All a. , b. and c. are correct

## Question number: 401

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MCQ▾

### Question

Find the value of x.

### Choices

Choice (4) Response

a.

500

b.

230

c.

24.90

d.

35.70