International Maths Olympiad Forum By SOF Olympiad Trainer - Page 650

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 5

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
B is the correct answer as when you draw a diagram you'll see.

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Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 2:

Class : Class 8

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Subject :IMO    Class : Class 2

Ans 1:

Class : Class 3

Ans 2:

Class : Class 5
2 kga

Ans 3: (Master Answer)

Class : Class 1
The correct answer is B.

Ans 4:

Class : Class 6
Answer should be B see if we add one more ball to right machine right is equal to five KG and left is equal to seven left is two KG less so answer is B

Ans 5:

Class : Class 2

Ans 6:

Class : Class 5

Ans 7:

Class : Class 2
why answer is not D ?

Ans 8:

Class : Class 2

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 8
The correct answer is opt. b

Ans 2:

Class : Class 10
b

Ans 3:

Class : Class 5
The ans. is B

Ans 4:

Class : Class 2
option B is the answer

Ans 5:

Class : Class 8
The ans is B.

Ans 6:

Class : Class 5
Ya the answer is b

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Subject :IMO    Class : Class 8

Ans 1:

Class : Class 8
6

Ans 2:

Class : Class 10
Why dont you all give it a second thought?for example, it is not exactly 'undefined' you have to just count the faces of the figure obtained after removing all the lines on the figure

Ans 3:

Class : Class 8

Ans 4:

Class : Class 8
how to count the number of faces in such an undefined figure

Ans 5:

Class : Class 9
It is more than 13

Ans 6:

Class : Class 9
yes it is 6

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
we can solve this by counting the cubes in the: upper layer which is 1 cubecubes in the second layer =visible cubes in the second layer all the cubes in upper layers=2 1=3cubes in third layer= 3(visible cubes) 3(cubes in upper layers)=6cubes in fourth layer=4(visible cubes) 6(cubes in upper layers)=10cubes in fifth or last layer =5(visible cubes) 10(cubes in upper layers)=15total cubes =1 3 6 10 15=35

Ans 2:

Class : Class 6
Any one who can help me to solve this q

Ans 3:

Class : Class 9
this one is very easy one.

Ans 4:

Class : Class 6
I NEED HELP

Ans 5:

Class : Class 9
I also have the same opinion that is there anyone who can solve

Ans 6:

Class : Class 4
It is a triangular pattern

Ans 7:

Class : Class 7

Ans 8:

Class : Class 6
same here

Ans 9:

Class : Class 9
I know why contact me on 9873954764

Ans 10:

Class : Class 7
So the way of solving it is very easy. First count the visible cubes and count the number of cubes supporting the cubes so it will be 15 4 6 4 6=35. So the answer is A

Ans 11:

Class : Class 6
I need HELP!!!

Ans 12:

Class : Class 5
The answer is a as-first count the visible ones -15 unit cubes we will need some blocks to support the 2nd 3rd 4th and 5th rows as well....15 4(for the second layer) 6(for the third layer) 6(for the fourth layer 4(for the top layer)=35

Ans 13:

Class : Class 6

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Subject :IMO    Class : Class 1

Ans 1:

Class : Class 5
15

Ans 2:

Class : Class 1

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

Ans 2:

Class : Class 8

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