International Maths Olympiad Forum By SOF Olympiad Trainer - Page 414

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
B Let X be buttons on shirt and Y be buttons on pant given 3X +7Y = 55

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Class : Class 7

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7

Ans 2:

Class : Class 7

Ans 3:

Class : Class 7

Ans 4:

Class : Class 6
B

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
C

Ans 2:

Class : Class 4
My answer is option C 900g

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Class : Class 5
C

Ans 4:

Class : Class 5
C

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 3
What is the logic behind this question??

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Class : Class 5
C

Ans 3:

Class : Class 5
Easiest way to answer this is when you divide the product of 432 and 280,the remainder should be 0 and choose the greatest number, which in this case it is 64

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Class : Class 5
length 432 cm and breadth 280 cm Square tile has length = HCF (432, 280) = 8 cm Area = 8 × 8 = 64 cm2

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
ANS is C i.e. 75

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Class : Class 6

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Class : Class 6
ans is C - 75

Ans 4:

Class : Class 6
c is correct ans

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Class : Class 6
c

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 4
57/95 = 51/x So, x = 51 x 95 / 57 = 17 x 5 = 85 Therefore 3x - 8 / 3x 8 = (3 x 85) - 8/(3 x 85) 8 = 255 - 8/ 255 8 = 247/263 Answer-(D) 247/263

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Class : Class 4
b

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Class : Class 4
d

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Class : Class 6

Ans 5:

Class : Class 6
D

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
how answer " d " that is 16 is coming, I do not understand.

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Class : Class 7
Are baloons also circle

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Class : Class 5
ballons also how come its is oval right

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Class : Class 3
so its d

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Class : Class 5

Ans 6:

Class : Class 6
Are balloons also circular or oval?

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
yes, Vaishnavi. It is very difficult to divide this big number

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Class : Class 8
Vaisnavi, it is very easy

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Class : Class 2
In my very first attempt I got it wrong , but when I tried once more I got 4827 .

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Class : Class 7

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Class : Class 5
it is very difficult to divide such a big number

Ans 6:

Class : Class 5
I got the answer. it was tricky but I did it

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7

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Class : Class 6

Ans 3:

Class : Class 6
(3x 5) yrs (x - 8) yrs

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Class : Class 6

Ans 5:

Class : Class 6

Ans 6:

Class : Class 4

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