International Maths Olympiad Forum By SOF Olympiad Trainer

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
Ans c only makes sense

Ans 2:

Class : Class 7
ans. should be [C].

Ans 3:

Class : Class 6
Answer should be C

Ans 4:

Class : Class 8
it should be B as it is decreased by not increased if it was increased than it was 10

Ans 5:

Class : Class 6
answer should be Cas 100 /10 is 10

Ans 6:

Class : Class 6
answer is bwhen we move from left to rightexample-1000 to 100how do you get 100 by dividing it by 10 right?i.e 1000/10 = 100answer = 1/10

Ans 7:

Class : Class 7
correct ans. should be C

Ans 8:

Class : Class 6
decreasing by 1/10 is not possible . the answer should be (c)

Ans 9:

Class : Class 6

Ans 10:

Class : Class 6
c is right because we have to multiply cause we are given times.. 1000x___= 100... so we get 1000/10= 10 so c is right

Ans 11:

Class : Class 6
how can it decrease by 1/10. it changes by 1/10 and decreases by 10 times answer should be C

Ans 12:

Class : Class 6

Ans 13:

Class : Class 6
As he is saying times, it should be 10 and not 1/10. So, answer should be C

Ans 14:

Class : Class 6
the answer is C.. B is the wrong answer . if we have to move the digits from left to right we should multiply and not divide.. please clarify SOF..

Ans 15:

Class : Class 7
The answer is (c)

Ans 16:

Class : Class 5
correct ans. should be C

Ans 17:

Class : Class 6
The and should be C

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
hey , it is 90 tenths cause tenths means at the tenths place only . But if if there is another no. like 90 tenths we should multiply . But if you choose hundredth tenths it it will become in thousands value.

Ans 2:

Class : Class 4
b

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Ok

Ans 2:

Class : Class 6
If the movie is for 2 hours it can be shown 6 times between 12 noon and 12 midnight which is 12 hours. 12/2=6. The answer is B.

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Subject :IMO    Class : Class 7

Which of the following options hold?
I. Two triangles are congruent to each other if their corresponding angles and corresponding sides are euqal.
II. If two angles and the included side of one triangle are equal to two corresponding angles and the included side of another triangle, then the two triangles are congruent to each other.
III. If three angles of a triangle are equal to three corresponding angles of another triangle, then the triangles are called congruent.

AI and II are true, III is false
BI and III are true, II is false
Conly I is true
DAll of these are true.


all are conditions of congruence by definition

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
It is five letters since H,O,S,X and Z

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7
please explain the answer in details

Ans 4:

Class : Class 7
There is a mistake.Actually there are 6 lettersThose are-H, O, S, X, Z, N

Ans 5:

Class : Class 7
h,o,x,s,n i think it is the answer

Ans 6:

Class : Class 8
Please Someone explain

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