International Maths Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
option d .........

Ans 3:

Class : Class 8
D

Ans 4:

Class : Class 8
OPTION D IS CORRECT

Ans 5:

Class : Class 8
OPTION D IS CORRECT

Ans 6:

Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
answer should be D

Ans 2:

Class : Class 5
D

Ans 3:

Class : Class 4

Ans 4:

Class : Class 5

Ans 5:

Class : Class 4
Yes

Ans 6:

Class : Class 5
ANSWER SHOULD BE D NOT C

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
c

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
(A) will be the answer.

Ans 2:

Class : Class 5
(A)

Ans 3:

Class : Class 6

Ans 4:

Class : Class 4
A A A A A A A A A A A A A A A A A A A A A A A A A A A

Post Your Answer

Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
C

Ans 2:

Class : Class 3
C is the awnser

Ans 3:

Class : Class 3
C

Ans 4:

Class : Class 3
2

Post Your Answer

Subject :IMO    Class : Class 7

Tiara wants to know the width of the given river. While doing so, she stands on the edge of the river and look straight across to a point on the other edge without changing the inclination of the neck and head. She turns side ways until the vision is in line with a point on the side of the stream.

From the above description, find the value of QR.

A 25 units
B 12 units
C 15 units
D Can't be determined


NOT SATISFIED WITH THE SOLUTIONPLEASE EXPLAIN IN MORE DETAILI CANNOT UNDERSTAND ITTHANK YOU

Post Your Answer

Subject :IMO    Class : Class 6

State 'T' for true and 'F' for false and select the correct option.
(i) A prime number cannot have 0, 2, 4, 5, 6 and 8 at its ones place except 2.
(ii) Two numbers are called co-primes, if their L.C.M. is 1.
(iii) If X is a factor of Y and Y is a factor of Z, then X is also a factor of Z.
(iv) 4 is the smallest composite number.

A
B
C
D


I think correct answer is B. Because all the numbers having 2 at ones are not prime number

Ans 1:

Class : Class 7
But 5 is prime

Ans 2:

Class : Class 6
but 5 is primeso 1 is false

Ans 3:

Class : Class 6
but 5 is prime so ( i ) is false but they have given that (i)is true

Ans 4:

Class : Class 7
So (i) is false.

Post Your Answer

Subject :IMO    Class : Class 7

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
D

Ans 2:

Class : Class 4
d

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Answer should be B not A

Ans 2:

Class : Class 3
answer should be b not a

Ans 3:

Class : Class 5

Ans 4:

Class : Class 4
The question is wrong. Someone please report error.

Ans 5:

Class : Class 3
answer should be B not A

Ans 6:

Class : Class 3
total students are 225. but total of all subjects(leaving science) is 190. so the science student are 35. so number of student who are like science and english are 105.so answer a is correct.

Ans 7:

Class : Class 5
answer should be B not A

Ans 8:

Class : Class 5
There is no figure given for science student thus the answer is B.

Ans 9:

Class : Class 4
A

Post Your Answer