International Maths Olympiad Forum By SOF Olympiad Trainer - Page 230

User Forum

Subject :IMO    Class : Class 3

Post Your Answer

Subject :IMO    Class : Class 3

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6

Ans 2:

Class : Class 2
Hi

Ans 3:

Class : Class 5
D

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
B

Ans 2:

Class : Class 5
Should be C but iz B

Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 5

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
8.0 x 10⁸ km²

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7

Ans 2:

Class : Class 5
wrong answer 3 only

Post Your Answer

Subject :IMO    Class : Class 7

Match the following.

Column-I Column-II
(i) For any two integers
a and b, a × b
is also an integer.
Thus, integers are
(A) Distributive under addition
and multiplication
(ii) a × b = b × a; this denotes
that integers are
(B) Positive quotient
(iii) a × (b + c) = a × b + a × c; this
denotes that integers are
(C) Closed under
multiplication
(iv) The division of a negative
integer by another negative
integer results in
(D) Commutative under
multiplication

A (i) → (B), (ii) → (C), (iii) → (D), (iv) → (A)
B (i) → (C), (ii) → (D), (iii) → (A), (iv) → (B)
C (i) → (D), (ii) → (C), (iii) → (A), (iv) → (B)
D (i) → (C), (ii) → (D), (iii) → (B), (iv) → (A)


Ans 1:

Class : Class 7

Ans 2:

Class : Class 8
a *b = b*a this commutative law so ans must be b or d. iii. ans a because it is distibutive law simple.... b is the ans

Ans 3:

Class : Class 8
the answer shud be C not B

Post Your Answer

Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
I can't make out the values properly, the graph is unclear

Ans 2:

Class : Class 10
me 2

Post Your Answer