# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 79 - 86 of 1059

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## Question 79

### Question

MCQ▾

Multiply 578 by 42.

### Choices

Choice (4)Response

a.

35316

b.

44256

c.

24276

d.

54316

## Question 80

### Question

MCQ▾

Multiply 891 by 23.

### Choices

Choice (4)Response

a.

20493

b.

45313

c.

30549

d.

30453

## Question 81

### Question

MCQ▾

Associative law for multiplication is________

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 82

### Question

MCQ▾

The number 415698327 can be written in International system________.

### Choices

Choice (4)Response

a.

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

b.

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

c.

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

d.

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

## Question 83

### Question

MCQ▾

Multiply 436 by 81.

### Choices

Choice (4)Response

a.

45316

b.

35124

c.

42415

d.

35316

## Question 84

### Question

MCQ▾

Distributive property is used between

### Choices

Choice (4)Response

a.

Ten numbers

b.

Two numbers

c.

Three numbers

d.

Four numbers

## Question 85

### Question

MCQ▾

is an example of ________

### Choices

Choice (4)Response

a.

Commutative property

b.

Distributive property

c.

Closure property

d.

Associative property

## Question 86

### Question

MCQ▾

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

________ ________ ________

### Choices

Choice (4)Response

a.

(38,36, 14,32)

b.

(28,34, 14,32)

c.

(18,36, 14,32)

d.

(28,36, 14,32)