International Maths Olympiad Forum By SOF Olympiad Trainer - Page 696

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
(A) is right

Ans 2:

Class : Class 3
a

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
it should be 103 because 3+5=8+15=23+45=68+35=103 means first +5 then +15 then dirctly +30=45 then -10=+35

Ans 2:

Class : Class 8
It should be 145.

Ans 3:

Class : Class 6
B

Ans 4:

Class : Class 3

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
Volume of 1 cube will be 2x2x2=8 units Volume of 12 such cubes is 12x8= 96 units. The correct answer is D.

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Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
It should be 6 as the first one is the outer square(biggest one) and there are 4 small squares inside it, which makes 5 squares. There is also one square inside the figure which is tilted. It looks like a rhombus but isn't a rhombus because a rhombus doesn't have 4 angles measuring 90 degrees.

Ans 2:

Class : Class 4
there are 10 triangles:A,B,C,D,E,F,G,H,BC AND GH

Ans 3:

Class : Class 4
5

Ans 4:

Class : Class 8

Ans 5:

Class : Class 5
Correct answer is B

Ans 6:

Class : Class 7
yes,b is the right answer. we should just turn the diamond little bit. it will become square. and the other 5 squares.

Ans 7:

Class : Class 5
The correct answer is B.

Ans 8:

Class : Class 8
B as the rhombus if turned slightly diagonally will form a square and 5 squares are already there

Ans 9:

Class : Class 4
wrong anwer it should be 8

Ans 10:

Class : Class 8
SOF CLARIFY MY DOUBT ASAP

Ans 11:

Class : Class 5
Whole question is wrong. The solution is also wrong. The 'squares' in the question and the solution has to be changed to 'triangles. The only thing which was right is the diagram in the solution.

Ans 12:

Class : Class 8

Ans 13:

Class : Class 2
so so so so so so wrong. They wont even let us put this as an error, when we put this as an error, it will say 'Please enter valid error' when it is a valid error. So bad SOF.

Ans 14:

Class : Class 7
5 a 5

Ans 15:

Class : Class 3
THE CORRECT ANS: IS B

Ans 16:

Class : Class 2
Unfair

Ans 17:

Class : Class 6
The correct answer is C because one is the outer square, then there are 4 squares inside it and one square is tilted so that will also count.

Ans 18:

Class : Class 4
it should be 5 as that one is a rhombus

Ans 19:

Class : Class 6

Ans 20:

Class : Class 9
The correct answer is B

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Subject :IMO    Class : Class 9

Ans 1:

Class : Class 9
1/12

Ans 2:

Class : Class 9
1/12

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 6
It's D

Ans 2:

Class : Class 4
I think it is D

Ans 3:

Class : Class 4
14cm

Ans 4:

Class : Class 4
I think it is D

Ans 5:

Class : Class 3
(D) 14 cm

Ans 6:

Class : Class 4
I think its D

Ans 7:

Class : Class 4
14cm

Ans 8:

Class : Class 8
i attempted this question and it was showing green also CHEATER PETER STRAWBERRY EATER (SOF's new name) [short form- CPSE]

Ans 9:

Class : Class 4
I think it is D

Ans 10:

Class : Class 3

Ans 11:

Class : Class 4
I think it is D

Ans 12:

Class : Class 4
I think it is D

Ans 13:

Class : Class 8
I guess D

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
CORRECT ANS IS B

Ans 2:

Class : Class 8
Correct answer is B

Ans 3:

Class : Class 10

Ans 4:

Class : Class 8
yeah , b is correct

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
25=5*5 Arkodyuti Maiti

Ans 2:

Class : Class 8
25=5*5

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1
She read 30 pages in 30 minutes That means she reads 1 page in 1 minute Hence, 250 pages in 250 minutes.

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