International Maths Olympiad Forum By SOF Olympiad Trainer - Page 794

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 6
30kg

Ans 2:

Class : Class 6
Should be 20 Kg. The mass of 3 balls together is 15 kg implies that weight of one ball is 5 kg. Now dog is equal to 30 kg since there are 6 balls on balance. So deducting mass of two balls which equals (5+5=10 kg), it will be 20 kg.

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Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
Yes, it is.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
But how?

Ans 2:

Class : Class 10
The answer is B

Ans 3:

Class : Class 4
very good beta

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Gjjihgh

Ans 2:

Class : Class 3
I guess the answer should be B - 30th. 30th person will be the 5th 6th person and 3rd 10th person.

Ans 3:

Class : Class 4

Ans 4:

Class : Class 9

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
C is correct.Not D

Ans 2:

Class : Class 8
157 +311=468 468 +166=634 so answer is [C]

Ans 3:

Class : Class 4

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 6
Kartik,rs.500

Ans 2:

Class : Class 6
Answer B, Kritika by Rs 500

Ans 3:

Class : Class 5

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
X = 4,y=6,z=8 and m=1 . Therefore the answer is B (6)

Ans 2:

Class : Class 4
Ans-D

Ans 3:

Class : Class 4
x = 4, y =6, z = 8, M = 1 therefore answer is 6

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
it is d only

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4

Ans 2:

Class : Class 10
Answer is C because that is THE BEST for this situation. If we use Kilograms, the weight will come in fractions and hence is not THE BEST answer.

Ans 3:

Class : Class 5
Answer is C

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 10
Answer is D Reason: Maya today is 18 years. So six years back she was 12 years old. At that time Namita was 48 (4 times Myaya's age), So Namita is 54 years ow (after 6 years). So Namita + Maya is 54 + 18 = 72

Ans 2:

Class : Class 2
answer is D

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