International Maths Olympiad Forum By SOF Olympiad Trainer - Page 625

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
d

Ans 2:

Class : Class 4
sry they've given a

Ans 3:

Class : Class 10

Ans 4:

Class : Class 8
Option D

Ans 5:

Class : Class 8
Option D

Ans 6:

Class : Class 8
Option D

Ans 7:

Class : Class 5

Ans 8:

Class : Class 2

Ans 9: (Master Answer)

Class : Class 1

Ans 10:

Class : Class 4

Ans 11:

Class : Class 4
Ques is wrongwhen answer is d they've told answer is b

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
It is 36650.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 8
B is correct.

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 5
Sorry, the answer is D.

Ans 3:

Class : Class 5
to get the answer, just do 5 5 5=15

Ans 4:

Class : Class 7
its confusing, actually it is supposed to have 5 different notebooks and 3 different pens so 5*3=15

Ans 5:

Class : Class 7
give solution

Ans 6:

Class : Class 5
Answer is C as the question says the combinations of 1 notebook and 1 pen from 5 notebooks and 3 pens, which is 5*3=15.

Ans 7:

Class : Class 5

Ans 8:

Class : Class 2
a bit confusing

Ans 9:

Class : Class 4
c

Ans 10:

Class : Class 4

Ans 11:

Class : Class 5
Sorry, the answer is D.

Ans 12:

Class : Class 4
The answer is d.

Ans 13:

Class : Class 7
D) 15

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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

Ans 2:

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 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

Ans 2:

Class : Class 9
option (c)

Ans 3:

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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