International Maths Olympiad Forum By SOF Olympiad Trainer - Page 52

User Forum

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 9

Read the statements carefully.
Statement-1 : The product of a rational and an irrational number is an irrational number.
Statement-2 : Reciprocal of every rational number is a rational number. Which of the following options hold?

ABoth Statement-1 and Statement-2 are true.
BStatement-1 is true but Statement-2 is false.
CStatement-1 is false but Statement-2 is true.
DBoth Statement-1 and Statement-2 are false.


option d) should be the answers as 0*(irrational number) is still 0

Ans 1:

Class : Class 9
i really need to say, just as 0, 0/0 being undefined is an exception, isn't 0*any irrational number apply to first rule? it is rational, and we are saying it only on one circumstance

Ans 2:

Class : Class 10
d

Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 9

Post Your Answer

Subject :IMO    Class : Class 8

Ans 1:

Class : Class 9
It is A.

Ans 2:

Class : Class 9
Sorry D

Post Your Answer

Subject :IMO    Class : Class 7

Post Your Answer

Subject :IMO    Class : Class 5

Post Your Answer

Subject :IMO    Class : Class 5

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7

Post Your Answer

Subject :IMO    Class : Class 8

Read the following statements carefully and state 'T' for true and 'F' for false.
(i) There is only one solution for a linear equation in one variable.
(ii) If four-fifths of n gives 96. Then, the value of n is 140.
(iii) If the sum of two numbers is 36 and the bigger number exceeds the smaller number by 24, then the smaller number is 6.
(iv) x2 – 2 is a linear equation in one variable.

A(i) - T; (ii) - T; (iii) - T; (iv) - F
B(i) - F; (ii) - T; (iii) - F; (iv) - T
C(i) - T; (ii) - F; (iii) - T; (iv) - F
D(i) - F; (ii) - F; (iii) - T; (iv) - F


This is A

Ans 1:

Class : Class 9
This is A

Post Your Answer