International Maths Olympiad Forum By SOF Olympiad Trainer

User Forum

Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
option C is the answer as when you fold each of the other figures (opt. a, b, d), you will get the same cuboid as asked in the question. But in the third option, when you fold the figure along the lines, you will get a cuboid whose one face is missing..... So, this is the explanation :)

Post Your Answer

Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
(d) 28 kg Just use your brain. If you are using this app in a computer, then you can zoom in

Ans 2:

Class : Class 6
Ans is C because the arrow is facing just after 2 small lines from 25 kg.

Ans 3:

Class : Class 5
the answer should be D.

Ans 4:

Class : Class 5
oh, it is actually 25 but it looks like 26.

Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
Aditya that is the very reason why it will be a unique triangle and option C is correct since it an angle such as that can be created by bisecting 60 degree three times

Ans 2:

Class : Class 8
answer is D....

Ans 3:

Class : Class 7

Ans 4:

Class : Class 8
Answer is b as the length of sides of triangle are variable and therefore unique triangle cannot be constructed

Ans 5:

Class : Class 8
ya guys the answer is D

Ans 6:

Class : Class 5
The option b states that a unique triangle is constructed and it is possible to do so. However option c states that we CANNOT construct the angle 7.5. This is false cause it can be constructed by bisecting an angle of 60, three times.

Ans 7:

Class : Class 8
ans is b.i agree with aditya

Ans 8:

Class : Class 8

Post Your Answer

Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Prateeshtha Ghosh it is NOT apples it is PEARS

Ans 2:

Class : Class 6
We first need to multiply, then he is telling that he threw 18 of them so, you just need to subtract it from the total number of apples! Then it tells that it is put into 8 boxes so, just divide!

Post Your Answer

Subject :IMO    Class : Class 4

Post Your Answer