International Maths Olympiad Forum By SOF Olympiad Trainer - Page 641

# User Forum Subject :IMO    Class : Class 6

## Ans 1:

Class : Class 8
ANS.IS D.

Subject :IMO    Class : Class 7

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Subject :IMO    Class : Class 5

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.

Subject :IMO    Class : Class 5

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.

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

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

Subject :IMO    Class : Class 3

## Ans 1:

Class : Class 10

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

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

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.

Class : Class 4

Class : Class 5

Class : Class 6

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.

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

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

Subject :IMO    Class : Class 3

## Ans 1:

Class : Class 4
Answer shouldâ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 shouldâ ve been the answer given by them

Subject :IMO    Class : Class 3

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.