International Maths Olympiad Forum By SOF Olympiad Trainer - Page 521

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
x = 13

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Subject :IMO    Class : Class 7

Ans 1:

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

Ans 2:

Class : Class 10

Ans 3:

Class : Class 9

Ans 4:

Class : Class 9

Ans 5:

Class : Class 9
sup how's life

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
out of sylabus

Ans 2:

Class : Class 7
B

Ans 3:

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 4:

Class : Class 6
Option B)

Ans 5:

Class : Class 7
c127.1 plus 12.1 = 139.2

Ans 6:

Class : Class 7
b

Ans 7:

Class : Class 9
It is b i am sure i

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 9
there's an error

Ans 2:

Class : Class 8

Ans 3:

Class : Class 6
very difficult question. proud of you

Ans 4:

Class : Class 6
wrong

Ans 5:

Class : Class 7
yes pls

Ans 6:

Class : Class 7

Ans 7:

Class : Class 7
may I get the method

Ans 8:

Class : Class 7

Ans 9:

Class : Class 7
pls tell the steps

Ans 10:

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

Ans 11:

Class : Class 7
ERROR .

Ans 12:

Class : Class 6

Ans 13:

Class : Class 6
steps pls!

Ans 14:

Class : Class 6
pls tell the steps

Ans 15:

Class : Class 7
THE ANSWER WILL BE 26, WHICH IS NOT AN OPTION

Ans 16:

Class : Class 7
I am demanding for the steps

Ans 17:

Class : Class 1
can i get the method

Ans 18:

Class : Class 7
answer is A..23

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4
Answer is D because the time he started his homework was 3:45 not 4:45

Ans 2:

Class : Class 4
Ya. I decided to choose option C though even though I realized it was 7:30 p.m . I mean if the clock time was true in the picture, the answer would be 7:00 p.m. They did not mention whether the clock time was true or not

Ans 3:

Class : Class 7

Ans 4:

Class : Class 4
Can somebody report an error? Reason: the clock was not accurate. the hr hand was at 4 when the minute hand was at 9! But the hour hand is supposed to be between x ad x 1(x is hour) if y(minute hand number) is grater than 6. But the picture does not follow that rule and thus the picture is wrong.

Ans 5:

Class : Class 9
Answer should be 7:30 if slower 30 mnts.

Ans 6:

Class : Class 4
Thank you dveep jain.

Ans 7:

Class : Class 7
Correct option is not given.If Initial time is 4:45, Time taken = 2 hr 15 mins, Actual final time = 7:00 then Clock will show = 7:30 as clock is slower by 30 mins.

Ans 8:

Class : Class 5

Ans 9:

Class : Class 5
okay

Ans 10:

Class : Class 4
ANSWER NOT GIVEN!!!!!!

Ans 11:

Class : Class 4
Can somebody report an error? Reason: the clock was not accurate. the hr hand was at 4 when the minute hand was at 9! But the hour hand is supposed to be between x ad x 1(x is hour) if y(minute hand number) is grater than 6. But the picture does not follow that rule and thus the picture is wrong.

Ans 12:

Class : Class 5
THE ANSWER IS NOT GIVEN

Ans 13:

Class : Class 4
the clock was not accurate. the hr hand was at 4 when the minute hand was at 9! But the hour hand is supposed to be between x ad x 1(x is hour) if y(minute hand number) is grater than 6. But the picture does not follow that rule and thus the picture is wrong.

Ans 14:

Class : Class 4
Sorry I meant I chose option D) 6:30 p.m. not C.

Ans 15:

Class : Class 5
THE ANSWER IS NOT GIVEN IN THE OPTIONS THE CORRECT ANSWER IS 7 : 30

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 5
The triangle's value is the seventh multiple of seven which is 49.So we can do 49 - 4 to get the square's value.49 - 4 is 45,so the value of the square is 45.Now 45 divided by 15 is 3 ,so the answer is B

Ans 3:

Class : Class 6

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
printing error

Ans 2:

Class : Class 8
you are right.but the software is not changing it....

Ans 3:

Class : Class 5

Ans 4:

Class : Class 5
printing error

Ans 5:

Class : Class 7
ye log symboladd karna bhul gaya

Ans 6:

Class : Class 8
printing nahi anti hai kya ?

Ans 7:

Class : Class 7

Ans 8:

Class : Class 3
printing error

Ans 9:

Class : Class 8
printing error in question

Ans 10:

Class : Class 10
prin ting nahi aati

Ans 11:

Class : Class 5
don't know how to print

Ans 12:

Class : Class 6

Ans 13:

Class : Class 5
question is wrong

Ans 14:

Class : Class 7
printing mistake

Ans 15:

Class : Class 7
yeh printing ki galti haihamari nahi hai

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 6
The first figure has perfectly symmetry about two line... one horizontal and one vertical. Please update the question bank

Ans 3:

Class : Class 4

Ans 4:

Class : Class 5
The answer is A

Ans 5:

Class : Class 10
First figure has two lines of symmetry. So the answer is A

Ans 6:

Class : Class 4
Advik Gupta from DSB correct answer is A

Ans 7:

Class : Class 9
ans is a. arrow also has line of symetry

Ans 8:

Class : Class 8
Ans is A

Ans 9:

Class : Class 8
Ans is A

Ans 10:

Class : Class 4

Ans 11:

Class : Class 6
Fig 1 has 2 lines of symmetry. Fig 3 does not have a line of symmetry. Ans B is correct but the mentioned solution is wrong

Ans 12:

Class : Class 7
correct answer is b

Ans 13:

Class : Class 2
Answer is A because it has two symmetrical line one horizontal and one vertical the answer given by the olympiad trainers is wrong

Ans 14:

Class : Class 8
the answer is b because the second, third and fifth have no lines of symmetry

Ans 15:

Class : Class 4
Ans is B

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Subject :IMO    Class : Class 7

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