# IMO- Mathematics Olympiad Class 6: Questions 80 - 86 of 1049

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## Question number: 80

MCQ▾

### Question

Multiply 891 by 23.

### Choices

Choice (4) Response

a.

30549

b.

30453

c.

20493

d.

45313

## Question number: 81

MCQ▾

### Question

Associative law for multiplication is________

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 82

MCQ▾

### Question

The number 415698327 can be written in International system________.

### Choices

Choice (4) Response

a.

Fourty crore fifty six lakhs ninty eight thousand three hundred twenty seven

b.

Fourty one crore fifty six lakhs ninty thousand eighty three hundred twenty seven

c.

Fourty one crore fifty lakhs ninty eight thousand three hundred twenty seven

d.

Fourty one crore fifty six lakhs ninty eight thousand three hundred twenty seven

## Question number: 83

MCQ▾

### Question

Multiply 436 by 81.

### Choices

Choice (4) Response

a.

42415

b.

35124

c.

45316

d.

35316

## Question number: 84

MCQ▾

### Question

Distributive property is used between

### Choices

Choice (4) Response

a.

Ten numbers

b.

Two numbers

c.

Four numbers

d.

Three numbers

## Question number: 85

MCQ▾

### Question

is an example of ________

### Choices

Choice (4) Response

a.

Associative property

b.

Commutative property

c.

Closure property

d.

Distributive property

## Question number: 86

MCQ▾

### Question

Which of the following set of numbers will make the number sentence true?

________________ ________

### Choices

Choice (4) Response

a.

(28, 34, 14, 32)

b.

(38, 36, 14, 32)

c.

(28, 36, 14, 32)

d.

(18, 36, 14, 32)

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