International Maths Olympiad Forum By SOF Olympiad Trainer - Page 587

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 5
correct answer is C as 5/6*6/6= 30/36 but resultant fraction will always be 5/6

Ans 2:

Class : Class 8
the correct answer is c

Ans 3:

Class : Class 7
C

Ans 4:

Class : Class 3
If they tell increase by addition or multiplication , we'll know whether answer is C or A otherwise both answers are right

Ans 5:

Class : Class 7
my answer is d

Ans 6:

Class : Class 9

Ans 7:

Class : Class 7
The correct answer is a because 1/2 < 2/3 < 3/4 < 4/5 < 5/6 < 6/7 < 7/8 < 8/9...

Ans 8:

Class : Class 9

Ans 9:

Class : Class 4

Ans 10: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 7

Ans 1:

Class : Class 6
B is correct answer

Ans 2:

Class : Class 9
B is the correct answer since, the second portion in option A doesn't satisfy the order

Ans 3:

Class : Class 8
It is B

Ans 4:

Class : Class 8
The correct answer is B. I am sure.

Ans 5:

Class : Class 8
The answer b is correct as the order of congruence is different in every potion but b is correct

Ans 6:

Class : Class 7
B is correct

Ans 7:

Class : Class 7
Answer is supposed to be B not A

Ans 8:

Class : Class 7
both a and b are correct.

Ans 9:

Class : Class 8

Ans 10:

Class : Class 10

Ans 11:

Class : Class 7
Answer B is correct not A

Ans 12:

Class : Class 6
I also think B is correct

Ans 13:

Class : Class 8
ans is b

Ans 14:

Class : Class 6
B is correct and I am gonna support B

Ans 15:

Class : Class 8
It is obviously b.

Ans 16:

Class : Class 10
Option b will be correct. This question is there in IMO Workbook and there the answer is b only

Ans 17:

Class : Class 9
Yes B is right

Ans 18:

Class : Class 7
B IS THE RIGHT ANSWER

Ans 19:

Class : Class 8

Ans 20:

Class : Class 9
B is correct not A

Ans 21:

Class : Class 8
b is the correct answer

Ans 22:

Class : Class 7
B is correct not A

Ans 23:

Class : Class 8
B is the correct answer

Ans 24:

Class : Class 8
the optoins are the same

Ans 25:

Class : Class 9
I do not think that the correct answer is A

Ans 26:

Class : Class 10
According to me, B is the answer....

Ans 27:

Class : Class 10
B is correct

Ans 28:

Class : Class 8
yes,B is the correct answer.Not A.

Ans 29:

Class : Class 8
I do not think that the correct answer is A

Ans 30:

Class : Class 10

Ans 31:

Class : Class 7
B is correct

Ans 32:

Class : Class 8
Option (B) is the correct answer

Ans 33:

Class : Class 7
B is the correct answer. A cannot be the correct answer as

Ans 34:

Class : Class 9
answer is b

Ans 35:

Class : Class 7

Ans 36:

Class : Class 9
i think B is correct answer

Ans 37:

Class : Class 8
ANSWER B IS ONLY CORRECT

Ans 38:

Class : Class 10
B is correct

Ans 39:

Class : Class 9
b is correct

Ans 40:

Class : Class 7

Post Your Answer

Subject :IMO    Class : Class 7

Ans 1:

Class : Class 7
Ans is d

Ans 2:

Class : Class 8
Does anyone really know?

Ans 3:

Class : Class 7

Ans 4:

Class : Class 7
I think (B) is correct

Ans 5: (Master Answer)

Class : Class 1
The correct answer is D.

Ans 6:

Class : Class 10
THE CORRECT ANSWER SHOULD BE (B) AS AAA PROPERTY DOESN'T EXIST

Ans 7:

Class : Class 8
I think all options are the correct answers

Ans 8:

Class : Class 8
how

Ans 9:

Class : Class 9
Yes AAA criterion does not exist

Ans 10:

Class : Class 8
AAA criterion does not exist

Ans 11:

Class : Class 7
Every answer except c is right

Ans 12:

Class : Class 7
I think it should be (B)

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
According to me the correct answer is C]

Ans 3:

Class : Class 7
its option a i guess

Ans 4:

Class : Class 8

Ans 5:

Class : Class 6
it's D

Ans 6:

Class : Class 10
option b

Ans 7:

Class : Class 8
right option is C

Ans 8:

Class : Class 7
THE RIGHT OPTION IS (B)

Ans 9:

Class : Class 6
D

Ans 10:

Class : Class 6
According to me the correct answer is C]

Ans 11:

Class : Class 7
option a is correct

Ans 12:

Class : Class 7
its option A I guess

Ans 13:

Class : Class 7
correct option is D all the options are correct

Ans 14:

Class : Class 7
option a

Ans 15:

Class : Class 7

Ans 16:

Class : Class 6
option C is correct so obvios

Ans 17:

Class : Class 6
b

Ans 18:

Class : Class 10
sorry option a

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Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 7

Ans 2:

Class : Class 6

Ans 3:

Class : Class 6
1000

Ans 4:

Class : Class 6
fdsdyugfkojnbklknbvgio

Ans 5:

Class : Class 6
hellow crazy kids

Ans 6:

Class : Class 4
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000

Ans 7:

Class : Class 4
D

Ans 8:

Class : Class 6
10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Ans 9:

Class : Class 7
6*200=1200Discount - 200NetPayment = 1000Return Change = 2000-1000=1000

Ans 10:

Class : Class 8
1000

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Subject :IMO    Class : Class 3

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Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D.

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 6
if we apply BODMAS on this question, it says to solve the brackets first...

Ans 2:

Class : Class 8
As there is a bracket, it means that we have to find the difference and then estimate the number.

Ans 3:

Class : Class 8
The answer must be B)4900 because 7268-2427 = (estimated form) 7300-2400=4900

Ans 4:

Class : Class 10
4900 should be the answer as we have to estimate first

Ans 5: