International Maths Olympiad Forum By SOF Olympiad Trainer - Page 573

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
It should be 6000. 123.5 266.5 = 390.0 . Now multiply 390.0* 15.5 = 6045. Rounding to thousand = 6000

Ans 2:

Class : Class 5
it should be 6000

Ans 3:

Class : Class 5
Guys its just a typo. They put 5 instead of 6.

Ans 4:

Class : Class 5
ans is a

Ans 5:

Class : Class 7
The answer is 6000 but SOF is showing 5000 as. the answer .

Ans 6:

Class : Class 10
question needs to be corrected

Ans 7:

Class : Class 5
guys when the questions are wrong you should always go with the closest answer. I have done this many times

Ans 8:

Class : Class 5

Ans 9:

Class : Class 5

Ans 10:

Class : Class 3
this sof question is idiot

Ans 11:

Class : Class 6

Ans 12:

Class : Class 5
when we multiply the answer is 6045.0 , which rounds up to 6000. Resulting that the SOF community has given the answer wrong.

Ans 13:

Class : Class 3
Yes the answer should be 6000. Check it

Ans 14:

Class : Class 7
i thought to round off down it came 5000 but i got right answer being wrong

Ans 15:

Class : Class 7
the answer is coming as 6045. when we round it off, it is 6000 and sof is getting 392 and round off is getting 5000. HOW IS IT POSSIBLE?

Ans 16:

Class : Class 5
it should be 5000

Ans 17:

Class : Class 5
it should be 6000

Ans 18:

Class : Class 5
it should be 6000.

Ans 19:

Class : Class 5
The answer should be 6000

Ans 20:

Class : Class 8

Ans 21:

Class : Class 7
yes 6000

Ans 22:

Class : Class 3
you all are right it is showing 392 but when i check in calculator the ans is

Ans 23:

Class : Class 5
sum is 390 they are showing 392

Ans 24:

Class : Class 5

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
28 should be the answer then

Ans 2:

Class : Class 9

Ans 3:

Class : Class 7
please check the answer.it should be 28 sq.cm

Ans 4:

Class : Class 8
ans is 28

Ans 5:

Class : Class 6
ans should be 28

Ans 6:

Class : Class 7
They say the answer should be slightly higher than 28, which I agree with, but 34 isn't slightly greater—the difference is 6!

Ans 7:

Class : Class 6
Ans sould be 28cm2

Ans 8:

Class : Class 5
Another mistake by SOF. Two mistakes in one exam! Correct option is A because if we take 1 square as 1 sq. cm, then two less than half arcs won't add up to 6 but rounded off to 0. My marks should be 55, not 53

Ans 9:

Class : Class 4
then it should be exact 28 not slightly grater then it

Ans 10:

Class : Class 6
The answer should be 28

Ans 11:

Class : Class 6

Ans 12:

Class : Class 8
yes

Ans 13:

Class : Class 8
ans is 28

Ans 14:

Class : Class 7
They say the answer should be slightly higher than 28, which I agree with, but 34 isn't slightly greater—the difference is 6!

Ans 15:

Class : Class 6
of course 28

Ans 16:

Class : Class 8

Ans 17:

Class : Class 7

Ans 18:

Class : Class 6
It should be 28

Ans 19:

Class : Class 7

Ans 20:

Class : Class 6
the answer is 28

Ans 21:

Class : Class 7
Ans should be A because it is even mentioned in solution.Please check the answer.

Ans 22:

Class : Class 10
if its less then 1/2 then it should be 0...the ANSWER IS A

Ans 23:

Class : Class 8

Ans 24:

Class : Class 8

Ans 25:

Class : Class 9
34 is 6 greater than 28 so two small arcs wont add up to that amount

Ans 26:

Class : Class 6
Explain questions no 7

Ans 27:

Class : Class 7
I agree with Mukil

Ans 28:

Class : Class 4
yes it is 28 cm2

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Subject :IMO    Class : Class 8

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 10

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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 4

Ans 1:

Class : Class 5
I have given the answer but it is showing that I have not given the answer

Ans 2:

Class : Class 4
It is your mistake bhavya

Ans 3:

Class : Class 4

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
A

Ans 2:

Class : Class 6
Option A)

Ans 3:

Class : Class 5
A.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 5
after not wearing my glasses,this thing looks like a centipede

Ans 2:

Class : Class 5
could not understand the logic

Ans 3:

Class : Class 6
Solution please

Ans 4:

Class : Class 5
IF u solve it answer is 10..10*7/7 == 70/7 .. there are 70 one seventh

Ans 5:

Class : Class 6
can't understand the logic pls can someone help

Ans 6:

Class : Class 5
solution anyone

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