International Maths Olympiad Forum By SOF Olympiad Trainer - Page 268

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 2

Ans 2:

Class : Class 4

Ans 3:

Class : Class 4
The correct answer is option C.

Ans 4:

Class : Class 4
Answer is option (C), 6. Thanks. :D

Ans 5:

Class : Class 4
Explaination : Answer is option (c) because 1st Step - The small 4 squares. 2nd Step - The large full square. 3rd Step - The square in which the small squares are included.

Ans 6:

Class : Class 3
dont you have any sense in your brain i am going to take your brain and eat it

Ans 7:

Class : Class 3
is the tilted square inside the main outer square not counted as square. With this one, there are six squares in total.

Ans 8:

Class : Class 4
c

Ans 9:

Class : Class 4
answer is C

Ans 10:

Class : Class 2
The answer is c

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

(D): Number of cubes in top layer = 1
Number of cubes in middle layer = 5
Number of cubes in bottom layer = 9
Total number of cubes = 1 + 5 + 9 = 15


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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 3
answer is b

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 1

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
D

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Subject :IMO    Class : Class 9

Ans 1:

Class : Class 9

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 6

Ans 3:

Class : Class 9
But because of the brackets right after the 4, the question is the same as:(13/4) x (5/6), not (13/4) / (5/6). So it's not the same, so I don't think the question is correct.

Ans 4:

Class : Class 8

Ans 5:

Class : Class 8

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
The answer is B

Ans 2:

Class : Class 6

Ans 3:

Class : Class 5
my answer is b

Ans 4:

Class : Class 6
Actual time is 1 : 28 p.m. i.e. , 13 : 28So, Samrat's watch is 13 mins slow.And, Varun's watch is 25 mins fast.Half-past, 6 p.m. means 6 : 30 p.m.So, time on Varun's watch at 6:30 p.m.= 6:55 p.m. These are the steps

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9

Ans 2:

Class : Class 8

Ans 3:

Class : Class 9

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