International Maths Olympiad Forum By SOF Olympiad Trainer - Page 519

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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 9
sup how's life

Ans 3:

Class : Class 9

Ans 4:

Class : Class 10

Ans 5:

Class : Class 9

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Subject :IMO    Class : Class 5

Ans 1:

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 2:

Class : Class 6
Option B)

Ans 3:

Class : Class 9
It is b i am sure i

Ans 4:

Class : Class 5
out of sylabus

Ans 5:

Class : Class 7
b

Ans 6:

Class : Class 7
c127.1 plus 12.1 = 139.2

Ans 7:

Class : Class 7
B

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 7
yes pls

Ans 2:

Class : Class 7
may I get the method

Ans 3:

Class : Class 6
steps pls!

Ans 4:

Class : Class 6
wrong

Ans 5:

Class : Class 7

Ans 6:

Class : Class 1
can i get the method

Ans 7:

Class : Class 9
there's an error

Ans 8:

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

Ans 9:

Class : Class 6
pls tell the steps

Ans 10:

Class : Class 7
pls tell the steps

Ans 11:

Class : Class 7
ERROR .

Ans 12:

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

Ans 13:

Class : Class 7
I am demanding for the steps

Ans 14:

Class : Class 7

Ans 15:

Class : Class 7
answer is A..23

Ans 16:

Class : Class 6

Ans 17:

Class : Class 6
very difficult question. proud of you

Ans 18:

Class : Class 8

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Subject :IMO    Class : Class 4

Ans 1:

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 2:

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 3:

Class : Class 4
Thank you dveep jain.

Ans 4:

Class : Class 7

Ans 5:

Class : Class 5

Ans 6:

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

Ans 7:

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 8:

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

Ans 9:

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

Ans 10:

Class : Class 5
THE ANSWER IS NOT GIVEN

Ans 11:

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

Ans 12:

Class : Class 5
okay

Ans 13:

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 14:

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

Ans 15:

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.

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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 mistake

Ans 2:

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

Ans 3:

Class : Class 3
printing error

Ans 4:

Class : Class 7

Ans 5:

Class : Class 6

Ans 6:

Class : Class 7
yeh printing ki galti haihamari nahi hai

Ans 7:

Class : Class 8
printing error in question

Ans 8:

Class : Class 7
ye log symboladd karna bhul gaya

Ans 9:

Class : Class 5
question is wrong

Ans 10:

Class : Class 8
printing nahi anti hai kya ?

Ans 11:

Class : Class 10
prin ting nahi aati

Ans 12:

Class : Class 5
don't know how to print

Ans 13:

Class : Class 5
printing error

Ans 14:

Class : Class 7
printing error

Ans 15:

Class : Class 5

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Subject :IMO    Class : Class 4

Ans 1:

Class : Class 5
The answer is A

Ans 2:

Class : Class 4
Ans is B

Ans 3:

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 4:

Class : Class 8
Ans is A

Ans 5:

Class : Class 8
Ans is A

Ans 6:

Class : Class 4

Ans 7:

Class : Class 4

Ans 8:

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

Ans 9:

Class : Class 7
correct answer is b

Ans 10:

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 11:

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

Ans 12:

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

Ans 13:

Class : Class 4

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
Advik Gupta from DSB correct answer is A

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Subject :IMO    Class : Class 7

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