# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 425 - 430 of 1059

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### Passage

Look at the alphabets given below.

K E S H A V

## Question 425 (2 of 2 Based on Passage)

### Question

MCQ▾

What fraction of alphabets is made of 3 straight lines?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 426

### Question

MCQ▾

Which of the following statement is false?

### Choices

Choice (4)Response

a.

Each side of a quadrilateral is less than the sum of the remaining three sides.

b.

A quadrilateral can have almost three angles.

c.

Each diagonal of a quadrilateral divides it into two triangles.

d.

A quadrilateral has two diagonals.

## Question 427

### Question

MCQ▾

The ratio of copper and zinc in an alloy is 9: 5. If the weight of zinc in the alloy is 9.5 gm, then weight of copper in it is

### Choices

Choice (4)Response

a.

17.5 gm

b.

17.1 gm

c.

17.4 gm

d.

17.2 gm

## Question 428

### Question

MCQ▾

In an isosceles , the bisectors of and meet at D. If , then is equal to

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 429

### Question

MCQ▾

In the figure, not drawn to scale, ABDE is a rhombus and ABC is a straight line. Find Image Made by a Rhombus and a Triangle

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 430

### Question

MCQ▾

Find the value of x and hence, in the figure given where BOG is a straight line. A Geometric Figure Made by a Straight Line and a Crossed Line

### Choices

Choice (4)Response

a.

14,420, 480

b.

19,420, 480

c.

12,460, 350

d.

18,450, 540