International Maths Olympiad Forum By SOF Olympiad Trainer - Page 641

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Subject :IMO    Class : Class 6

Ans 1:

Class : Class 8
ANS.IS D.

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Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 6
Ans is 97

Ans 2:

Class : Class 5
it was easy if i knew it was a bodmass rule,, my answer came out to be 80 as i didnt put the bodmass rule

Ans 3:

Class : Class 5
If "-"means '+'," * "means'-',"/"means' * ' and ''+''means'/';then 20x 12+4-16/5=?= 20-12/4+16x5= 20-3+16x5= 20-3+80= 80+20-3= 100-3= 97 :) Well I mixed it up in the last part, so it doesn't count as an answer.

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 10
My answer is D

Ans 2:

Class : Class 5
in my opinion the answer should be D

Ans 3:

Class : Class 7
Answer to this should be D.C cannot be the correct answer.

Ans 4:

Class : Class 3
yes i agree

Ans 5:

Class : Class 9
Yes correct answer is D. What they have given is wrong

Ans 6:

Class : Class 5
I agree with you because D is correct.

Ans 7:

Class : Class 6
The answer will be option D.

Ans 8:

Class : Class 5
I agree with you because 2000> 1710> 1460> 1049> 951> 60 and not 60> 951> 1460> 1049> 2000> 1710.

Ans 9:

Class : Class 8
the answer is = [ D ] MM = 2000 MDCCX = 1680 MCDLX = 1459 MXLIX = 1049 CMLI = 951 LX = 60

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Subject :IMO    Class : Class 5

Ans 1:

Class : Class 7
there are so many wrong questions like this in sof. i request all to contact all to sof

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 10
Answer:B

There was a mistake in the options. It has been corrected now.
Solution
1535+279 = 1814
1984-164 = 1820
Even number between 1814 and 1820 are 1816 and 1818
Sum of 1816 + 1818 = 3634

Ans 2:

Class : Class 10
Answer:B

There was a mistake in the options. It has been corrected now.
Solution
1535+279 = 1814
1984-164 = 1820
Even number between 1814 and 1820 are 1816 and 1818
Sum of 1816 + 1818 = 3634

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 5
the answer is (B)

Ans 2:

Class : Class 3
Answer is A because it is written respectively

Ans 3:

Class : Class 2
Answer is B only as it is written respectively and accordingly and - signs are shown.

Ans 4:

Class : Class 4
Answer is A

Ans 5:

Class : Class 5
Answer is B

Ans 6:

Class : Class 6
both answers A

Ans 7:

Class : Class 3

Ans 8:

Class : Class 4
It is very horrified that answer given is wrong..............should be B.

Ans 9:

Class : Class 3
it was a trick question and answer should be D only

Ans 10:

Class : Class 6
kushaan is correct.Answer is B.Their answer is incorrect.SOF ofte makes mistakes.It is very bad

Ans 11:

Class : Class 7
The answer given by SOF is wrong.Please don't confuse us.

Ans 12:

Class : Class 5
(B)

Ans 13:

Class : Class 1
The answer is "B".sofor is wrong

Ans 14:

Class : Class 3
only A is correct as term respectively is used

Ans 15:

Class : Class 3
answer is wrong because given term respectively is givenabhishree singh lucknow india

Ans 16:

Class : Class 5
Answer is b. Their answer is wrong

Ans 17:

Class : Class 3
Yes I agree with Sanjivani Saha that Kushan is correct The answer given by SOF is wrong

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Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Class : Class 1
There are 25 hexagons in the figure. For 2/5 to be left unshaded, 3/5 of them must be shaded. Now, total no. of hexagons which must be shaded are:- (3/5)x25=15

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
Answer should’ve been D

Ans 2:

Class : Class 4
Answer is 4 option B

Ans 3:

Class : Class 6
Correct Answer is D. Q is 4, hence, 6 less than 10.

Ans 4:

Class : Class 5
The answer is D. Value of Q is 4 and 4 is 6 less than 10.

Ans 5:

Class : Class 4
4 should’ ve been the answer given by them

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Subject :IMO    Class : Class 3

Ans 1:

Class : Class 4
good

Ans 2:

Class : Class 3
The logic is simple here.. Rohan delivers newspapers on weekdays (i.e) Monday to Friday. The only condition that would address the number of papers delivered on Sunday is if he deliver's 14 more papers on Sunday than on weekdays. So the answer is 1.

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