Subject :IMO Class : Class 1

Subject :IMO Class : Class 5

## Ans 2:

Class : Class 5

1 is a factor of every number not a multiple . there is no such number as the smallest multiple of a number is the number itself

## Ans 3:

Class : Class 3

how can 1 be a multiple of a number accept 1 itself . I suggest the human to write all tables 1000 times

## Ans 4:

Class : Class 5

one is not a multiple of every number , but every number is a multiple of one, . zero is not a multiple of every number . answer is definitely C

## Ans 5:

Class : Class 5

the question is the wrongthe correct option is cand the smallest multiple of every number is the number it itself

## Ans 8:

Class : Class 5

The answer is definitely c "There is no such number" as 0 is not a natural number but a whole number. Secondly though 1 is a natural number it is only a multiple of itself and not a multiple of every number.

## Ans 15:

Class : Class 6

zero is not a natural number, so A is incorrect. The correct answer must be D

## Ans 18:

Class : Class 6

Is 0 a natural number? Well 1 can never be the MULTIPLE of every number. 1 is the multiple of only itself.

## Ans 19:

Class : Class 3

SOF should correct the answer it can create confusion among the kids 0 is a whole number, 1 is factor of every number so definitely there is no such number whose multiple is 1

## Ans 21:

Class : Class 3

The answer should be C. If it was a whole number, then it would have been 0. The question seems to be framed wrongly. The question should have been, " The natural number which is a factor of every number is 1". The answer is wrong.

## Ans 22:

Class : Class 6

Answer will be 0 because 2*0=0,5653453*0=0,4765868756733465358678757646535436536854786*0=0

## Ans 29:

Class : Class 4

the answer is c because 0 is a natural number and 1 is the only multiple of itself

## Ans 30:

Class : Class 5

Answer should be corrected, 1 is factor of any number, but not multiple of every number. Correct answer is C.

## Ans 31:

Class : Class 5

Correct answer should be C. 1 is a natural number but it's not multiple of every number, rather it's factor of every number.

## Ans 32:

Class : Class 4

Kavya Vikas Gatkal from Podar International School JalnaThe answer is c because 1 is a factor of every number not a multiple

## Ans 37:

Class : Class 9

the answer should be c because 1 is a factor of every number and the smallest multiple of any number is the number itself

## Ans 40:

Class : Class 5

the ans is c because 1 is a factor of every no. not a multiple.the answer would be 0 if they asked for a whole no.

## Ans 41:

Class : Class 6

Ans is because 0 is not a natural number and 1 is a factor of every number not a multiple

## Ans 44:

Class : Class 7

in fact C should be the correct answer as there can not be any such number. By taking D as the correct answer we are ,at the same time, denying the statement given at C.

## Ans 46:

Class : Class 6

THERE IS NO SUCH NUMBER. THE SMALLEST MULTIPLE OF A NUMBER IS THE NUMBER IT SELF.

## Ans 48:

Class : Class 5

the answer is obviously C because 0 is the only number which is it but it is a whole number

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