International Maths Olympiad Forum By SOF Olympiad Trainer - Page 590

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9
its more than easy D

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
options given seems to be wrong

Ans 2:

Class : Class 5

Ans 3:

Class : Class 8
IT IS OUT OF SYLLABUS.

Ans 4:

Class : Class 8
out of syallabus

Ans 5:

Class : Class 3
pls explain

Ans 6:

Class : Class 5
It is not wrong moon divide by star is 3 moon multiply by moon is 324 3star multiply 3star is 324 star .star equals 324/9 is 36 star - 6 moon equals 18 answer is 12

Ans 7:

Class : Class 4
I think, it is too much to ask 3rd class student to remember squares of 18.. imagine if kid is not able to identify m * m = 324, how would he be able to solve entire question. not fair!!

Ans 8:

Class : Class 6
it is a little tricky but i solved it.

Ans 9:

Class : Class 4

Ans 10:

Class : Class 3
It is not that hard, just that if you understand the question you can easily find the answer.The pea pie who are saying that the question is wrong, you are the one who is wrong, not the question!

Ans 11:

Class :
Out of course

Ans 12:

Class : Class 8
It is NOT out of syllabus . The sulution is that one moon is 18.So,18x18=324.To get the star devide 18 by 3=6.18-6=12

Ans 13:

Class :

Ans 14:

Class :
I don't know the answer because IT IS OUT OF SYLLABUS

Ans 15:

Class : Class 3
ITIS A. 18*18=324.18-STAR=12 MOON=18

Ans 16:

Class : Class 4
the answer should 107

Ans 17:

Class : Class 7
the answer is 108

Ans 18:

Class : Class 4
I got 108 it is out of syllabus

Ans 19:

Class :
correct answer should be 33

Ans 20:

Class : Class 2

Ans 21:

Class : Class 4

Ans 22:

Class : Class 3

Ans 23:

Class : Class 7
wat

Ans 24:

Class : Class 3
How the value of 2 moon is 18 i think 324/2=162

Ans 25:

Class : Class 4
Out of Syllabus

Ans 26:

Class : Class 6

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Subject :IMO    Class : Class 4

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
Option A)

Ans 2:

Class : Class 6
Ans is A because the answer of question (A) will be 20000 ml because 40 l-20 l=20 l. Now convert 20 l to ml, which is 20000 ml, or, you can say that 20 l and 40 l will be 20000 ml and 40000 ml, respectively. Now do 20000 ml-40000 ml=20000ml. answer of question (B) will be 7/26 by adding the capacity of petrol of April, May, June, July and August, which will be 10 l+20 l+ 25 l+35 l+40 l=130 l. In July, the capacity of petrol used was 35 l, so in fraction, it will be 35 l/130 l. Now simplify the fraction, which will be 7 l/26 l.

Ans 3:

Class : Class 4
There is no need to do the second part.The first answer is 20L which is 20,000ml. And there is only one option with that answer, which is A,

Ans 4:

Class : Class 5

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Subject :IMO    Class : Class 8

Ans 1:

Class :
ft45te5se3g

Ans 2:

Class :

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 10
yes c x=13

Ans 3:

Class : Class 8
x = 13

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 10

Ans 3:

Class : Class 9

Ans 4:

Class : Class 9
my name is khallel i am like a happy meal

Ans 5:

Class : Class 9
sup how's life

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 9
It is b i am sure i

Ans 2:

Class : Class 6
Ans is B because 328 tenths will be 32.8 as tenths place is the first place after the decimal point and 4587 thousandths will be 4.587 as thousandths place is the third place after the decimal point. 32.8-4.587=32.800-4.587=28.213. The product of 28.213 and 5 will be 141.065. We are rounding 141.065 to 1 place after the decimal point, which means that we are rounding 141.065 to its nearest tenth, so the answer will be 141.1.

Ans 3:

Class : Class 9
c127.1 plus 12.1 = 139.2

Ans 4:

Class : Class 6
Option B)

Ans 5:

Class : Class 8
B

Ans 6:

Class : Class 5
out of sylabus

Ans 7:

Class : Class 7
b

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8

Ans 3:

Class : Class 7
answer is A..23

Ans 4:

Class :
pls tell the steps

Ans 5:

Class :
may I get the method

Ans 6:

Class :
yes pls

Ans 7:

Class : Class 9
there's an error

Ans 8:

Class : Class 6
very difficult question. proud of you

Ans 9:

Class : Class 8
ERROR .

Ans 10:

Class : Class 1
can i get the method

Ans 11:

Class : Class 8

Ans 12:

Class : Class 7
I am demanding for the steps

Ans 13:

Class : Class 6
wrong

Ans 14:

Class : Class 7
pls tell the steps

Ans 15:

Class : Class 8
THE ANSWER WILL BE 26, WHICH IS NOT AN OPTION

Ans 16:

Class : Class 6
steps pls!

Ans 17:

Class : Class 6
I dont understand. Can you please explain the steps. even the solution is confusing.

Ans 18:

Class : Class 6

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