International Maths Olympiad Forum By SOF Olympiad Trainer - Page 608

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Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
Hello. And Bye.

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Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 7
d) 20/100 because 20/100 is equivalent fraction of 1/5

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Class : Class 4

Ans 3:

Class : Class 5
Answer is D as in option A, 14/100 is shaded, which means 7/50 is shaded. In option B, 22/100 is shaded, which means 11/50 is shaded. In option C 29/100 is shaded. In option D, 20/100 is shaded, which means 1/5 is shaded.

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Subject :IMO    Class : Class 9

Ans 1:

Class : Class 9
option (c)

Ans 2:

Class : Class 8
IMO says Answer is B. Google says Answer is A. https://math.stackexchange.com/questions/7717/difference-between-axioms-theorems-postulates-corollaries-and-hypotheses. MathGuru says Answer is C. http://www.mathguru.com/practiceexercise/2009050500001579/pe.pdf

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Class : Class 9
C

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Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
Answer is C as the question says that Sid wakes up at 6:10 a.m., which is 6 hours 10 minutes of morning, next, the question says he takes 40 minutes to get dressed, 10 minutes to eat breakfast and 25 minutes to reach school, which means 45 min+10 min+25 min=80 min=1 hr 20 min. Then, 6:10 a.m.+1 hr 20 min=7:30 a.m.

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 8
ANSWER IS C

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Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
If you count the next ten digits as one unit and go on like this, you will get 570 tens starting from 230 to reach 5930.

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