# IMO- Mathematics Olympiad (SOF) Class 6: Questions 423 - 429 of 1049

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## Question number: 423

MCQ▾

### Question

An angle which is less than is called

### Choices

Choice (4) Response

a.

Right angle

b.

Complete angle

c.

Acute angle

d.

Obtuse angle

## Passage

Look at the alphabets given below.

K E S H A V

## Question number: 424 (1 of 2 Based on Passage) Show Passage

MCQ▾

### Question

What fraction of alphabets is made of curved lines?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 425 (2 of 2 Based on Passage) Show Passage

MCQ▾

### Question

What fraction of alphabets is made of 3 straight lines?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 426

MCQ▾

### Question

Which of the following statement is false?

### Choices

Choice (4) Response

a.

b.

Each diagonal of a quadrilateral divides it into two triangles.

c.

A quadrilateral can have almost three angles.

d.

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

## Question number: 427

MCQ▾

### Question

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.

17.4 gm

b.

17.2 gm

c.

17.5 gm

d.

17.1 gm

## Question number: 428

MCQ▾

### Question

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

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 429

MCQ▾

### Question

In the figure, not drawn to scale, ABDE is a rhombus and ABC is a straight line. Find

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page