Every integer is a rational number but a rational number need not be an integer

State whether the statements given are True or False. Every integer is a rational number but every rational number need not be an integer.

Every natural number is a rational number but a rational number need not be a natural number

Every fraction is a rational number but a rational number need not be a fraction.

State whether the statements given are True or False. Every natural number is a rational number but every rational number need not be a natural number.

Every fraction is a rational number.

Are the following statements true or false? Give reasons for your answers.(i) Every whole number is a natural number.(ii) Every integer is a rational number.(iii) Every rational number is an integer.

Are the following statements true or false? Give reasons for your answer? Every whole number is a natural number Every integer is a rational number.Every rational number is an integer.Every natural number is a whole number.Every integer is a whole number Every rational number is a whole number

Consider the following statements : 1. Every integer is a rational number. 2. Every rational number is a real number. Which of the above statements is/are correct ?

Which of the following is a correct statement? Sum of two irrational numbers is always irrational Sum of a rational and irrational number is always an irrational number Square of an irrational number is always an irrational number Square of an irrational number is always a rational number Sum of two rational numbers can never be an integer

If f(x)=cos x+cos ax is periodic function, then a must be (a)an integer (b) a rational number (c)an irrational number (d) an even number