# IMO Level 1- Mathematics Olympiad (SOF) Class 6: Questions 189 - 194 of 1059

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## Question number: 189

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MCQ▾

### Question

A number is always divisible by 60 if

### Choices

Choice (4)Response

a.

It is divisible by both 4 and 15

b.

It is divisible by both 2 and 30

c.

It is divisible by both 6 and 10

d.

All a. , b. and c. are correct

## Question number: 190

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MCQ▾

### Question

Subtract the number obtained by reversing the digits of the number 20198 from the number obtained by interchanging the digits in the unit’s place and the hundred’s place of the same number, we get________.

### Choices

Choice (4)Response

a.

77121

b.

- 68229

c.

68004

d.

- 68211

## Question number: 191

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MCQ▾

### Question

Find the sum of the given expression.

### Choices

Choice (4)Response

a.

- 90

b.

- 100

c.

55

d.

100

## Question number: 192

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MCQ▾

### Question

There are 165 pens and 195 pencils. These pens and pencils are to be arranged in bags containing the same number of pens and pencils. Then the greatest number of pens and pencils possible in each bag is

### Choices

Choice (4)Response

a.

23

b.

13

c.

15

d.

18

## Question number: 193

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MCQ▾

### Question

Prime factorization of 1975 is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 194

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MCQ▾

### Question

The smallest number which when divided by 20,25,35 and 40 and leaves a remainder of 14,19,29 and 34 respectively is

### Choices

Choice (4)Response

a.

1406

b.

1664

c.

1404

d.

1394

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