# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 678 - 685 of 1040

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## Question number: 678

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MCQ▾

### Question

The hours in which 13 students watched TV, is________.

### Choices

Choice (4) Response

a.

11

b.

15

c.

13

d.

12

## Question number: 679

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MCQ▾

### Question

If is divisible by 3, where z is a digit less than 5, then the values of z are________.

### Choices

Choice (4) Response

a.

1,2

b.

1,0

c.

0,3

d.

3,1

## Question number: 680

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MCQ▾

### Question

If in a number difference between the sum of digits at its odd places and that of digits at the even places is given 0, then the number and difference is divisible by________.

### Choices

Choice (4) Response

a.

2

b.

11

c.

7

d.

9

## Question number: 681

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MCQ▾

### Question

In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 48, then dividend is________.

### Choices

Choice (4) Response

a.

2424

b.

8484

c.

4848

d.

2021

## Question number: 682

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MCQ▾

### Question

On dividing 12401 by a certain number, we get 76 as quotient and 13 as remainder. What is the divisor?

### Choices

Choice (4) Response

a.

166

b.

160

c.

163

d.

165

## Question number: 683

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MCQ▾

### Question

14321 is divisible by________.

### Choices

Choice (4) Response

a.

9

b.

3

c.

4

d.

None of the above

## Question number: 684

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MCQ▾

### Question

On dividing 6740 by a certain number, we get 56 as quotient and 20 as remainder. What is the divisor?

### Choices

Choice (4) Response

a.

125

b.

121

c.

120

d.

126

## Question number: 685

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MCQ▾

### Question

The largest natural number by which the product of three consecutive even natural numbers is always divisible is________.

### Choices

Choice (4) Response

a.

28

b.

48

c.

96

d.

18