International Maths Olympiad Forum By SOF Olympiad Trainer - Page 780

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 8
the answer is 204441

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 3
The answer should be 80 cups but why is it 25 cups ?Nishka Rawat from Karnataka, Bengaluru, Sarjapur road signal.

Ans 2:

Class : Class 6
d

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 10

Ans 2:

Class : Class 7
This is wrong. Because prime numbers means which has only two factors 1 and the number itself. Composite means the number which has more than 2 factors. How can you people can give wrong answers without knowing anything. Because of you we will get less marks.

Ans 3:

Class : Class 6
this answer have to be correct as composite numbers only have more than two factors as per to the question.

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Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Class : Class 1
The correct answer is B.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 10
I think c means cent

Ans 2:

Class : Class 9
how

Ans 3:

Class : Class 10
I think c is cent

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9
D is the correct answer. At first milk is 40 L and water is 20 L To set new proportion of 1:2, we have to add 60 L of water in milk.

Ans 2:

Class : Class 7
If ‘x’ is the common multiple, then the quantity of milk = 2x and quantity of water = xSo, 2x x = 60 litres3x = 60Or x = 60⁄3 = 20So, quantity of milk = 2x = 40 litres and quantity of water = x = 20 litresLet ‘y’ be the quantity of water to be added. So, quantity of water = (20 y)Then, 40 : (20 y) = 1 : 22 x 40 = 1(20 y)80 = 20 y20 y = 80So, y = 80 - 20 = 60Answer-(D) 60 litres

Ans 3:

Class : Class 8

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
statement d is false not statement a

Ans 2:

Class : Class 7
Pl explain

Ans 3:

Class : Class 7
statement a is true

Ans 4:

Class : Class 9

Ans 5:

Class : Class 6
statement in (d) is false while statement in (A) is true

Ans 6:

Class : Class 10

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 4
what about this question

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