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Subject :IMO    Class : Class 7

Which of the following statement is correct ?

(a) All natural numbers are whole numbers, all whole numbers are integers.

(b) All whole numbers are integers, all integers are natural numbers.

(c) All integers are whole numbers, all natural numbers are integers.

(d) All integers are not whole numbers, all integers are natural numbers.

Ans 1:

Class : Class 8
Answer is A because natural numbers are 1,2,3 whole numbers , all whole are -1,-2,-3 answer is A

Ans 2:

Class : Class 9
all natural numbers ranging from 1,2,3....are whole numbers that range from 0,1,2,3........and all whole numbers are integers that are negative numbers,positive numbers and 0 so,the answer is A

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