# IMO- Mathematics Olympiad Class 6: Questions 808 - 812 of 1049

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## Question number: 808

MCQ▾

### Question

In the value of b is

### Choices

Choice (4) Response

a.

15

b.

- 15

c.

195

d.

- 1

## Question number: 809

MCQ▾

### Question

Meera bought packs of trading cards that contain 10 cards each. She gave away 7 cards.

X = Number of packs of trading cards

Which expression shows the number of cards left with Meera?

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 810

MCQ▾

### Question

The equation for the statement; ‘third-half of a number subtracted from 6 is 20’ is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 811

MCQ▾

### Question

In a mountain climbing training center, 500 persons are trained out of which 355 are selected for international climbing competition. Ratio of non-selected persons to the selected persons is

### Choices

Choice (4) Response

a.

7: 5

b.

5: 7

c.

71: 29

d.

29: 71

## Question number: 812

MCQ▾

### Question

Ratio of shaded fraction to whole is________

### Choices

Choice (4) Response

a.

3: 2

b.

1: 2

c.

8: 4

d.

4: 4

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