International Maths Olympiad Forum By SOF Olympiad Trainer - Page 795
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Revanth from New Horizon Gurukul, Bengaluru
Subject :IMO    Class : Class 6

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mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

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nishtha from D.P.S., BHIWANI
Subject :IMO    Class : Class 5

Ans 1:

Nishant from NPS, Bengaluru
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.

Ans 2:

Aarush Thakur from DPS, Gurgaon
Class : Class 6
Ans is 97

Ans 3:

divish from Delhi Public School, gurgaon
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

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Anil Dhanwate from ,
Subject :IMO    Class : Class 5

Ans 1:

Arnav Gulati from The Heritage School, Gurgaon
Class : Class 9
Yes correct answer is D. What they have given is wrong

Ans 2:

Shaurya Agrawal from Global Indian International School, Pune
Class : Class 5
I agree with you because 2000> 1710> 1460> 1049> 951> 60 and not 60> 951> 1460> 1049> 2000> 1710.

Ans 3:

Deepa Sriram from National Public School Bangalore, Bengaluru
Class : Class 3
yes i agree

Ans 4:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
Answer to this should be D.C cannot be the correct answer.

Ans 5:

Srinvitha from FIITJEE School Madhapur, Hyderabad
Class : Class 8
the answer is = [ D ] MM = 2000 MDCCX = 1680 MCDLX = 1459 MXLIX = 1049 CMLI = 951 LX = 60

Ans 6:

Shaurya Agrawal from Global Indian International School, Pune
Class : Class 5
I agree with you because D is correct.

Ans 7:

Pranav Goyal from Delhi Public School,Noida, Noida
Class : Class 6
The answer will be option D.

Ans 8:

Amanjeet Singh from ,
Class : Class 5
in my opinion the answer should be D

Ans 9:

ARATRIKA PAHARI from THE BSS SCHOOL, Kolkata
Class : Class 10
My answer is D

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Anil Dhanwate from ,
Subject :IMO    Class : Class 5

Ans 1:

Nishant Doshi from new era senior secondary school nizampura vadodara, Vadodara
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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Nisha Toshniwal from GIIS, Pune
Subject :IMO    Class : Class 3

Ans 1:

Admin from SOF, Noida
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:

Admin from SOF, Noida
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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Nisha Toshniwal from GIIS, Pune
Subject :IMO    Class : Class 3

Ans 1:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Class : Class 7
the answer is (B)

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is B

Ans 3:

Sanjivani Saha from Chrysalis High, Bangalore
Class : Class 8
kushaan is correct.Answer is B.Their answer is incorrect.SOF ofte makes mistakes.It is very bad

Ans 4:

maanya from springdales, delhi
Class : Class 3
only A is correct as term respectively is used

Ans 5:

maulik from MDPS, delhi
Class : Class 2
Answer is B only as it is written respectively and accordingly and - signs are shown.

Ans 6:

Harseerat from Saupin's school, Chandigarh
Class : Class 3
Answer is A because it is written respectively

Ans 7:

Janam Patel from R M G Maheshwari, Surat
Class : Class 8
Answer is A

Ans 8:

Anil Jacob Varghese from GIIS, singapore
Class : Class 7
The answer given by SOF is wrong.Please don't confuse us.

Ans 9:

Samriddhi Debnath from Garden High School, Kolkata
Class : Class 3
Yes I agree with Sanjivani Saha that Kushan is correct The answer given by SOF is wrong

Ans 10:

Radhika from DPS, Dubai
Class : Class 3

Ans 11:

Advaitt S Koduri from Presidium Noida 31, NOIDA
Class : Class 6
both answers A

Ans 12:

MANIT from Lotus valley, Gurgaon
Class : Class 3
it was a trick question and answer should be D only

Ans 13:

Afeefa from Afeefa, Bhubaneshwar
Class : Class 4
It is very horrified that answer given is wrong..............should be B.

Ans 14:

Abhishree from Loreto convent, lucknow
Class : Class 3
answer is wrong because given term respectively is givenabhishree singh lucknow india

Ans 15:

vineet8026@gmail.com from dps, Doha
Class : Class 1
The answer is "B".sofor is wrong

Ans 16:

Kushaan kochhar from Vasant Valley school , New Delhi
Class : Class 5
Answer is b. Their answer is wrong

Ans 17:

Prithwanko Ghosh from Kendriya Vidyalaya IIT Kanpur, Kanpur
Class : Class 7
(B)

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Siddhant Pandey from The Shishukunj International School, Indore
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
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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HIMANISH BASU from APS BANGALORE , Bangalore
Subject :IMO    Class : Class 3

Ans 1:

Vikram from AVM, Mumbai
Class : Class 5
The answer is D. Value of Q is 4 and 4 is 6 less than 10.

Ans 2:

Dhairya Godbole from KLE Eng Medium School, SOLAPUR
Class : Class 6
Correct Answer is D. Q is 4, hence, 6 less than 10.

Ans 3:

yajur from dps vk, delhi
Class : Class 3
4 should’ ve been the answer given by them

Ans 4:

ANWESHA SUNDARAY from KV, PURI, PURI
Class : Class 4
Answer is 4 option B

Ans 5:

yajur from dps vk, delhi
Class : Class 3
Answer should’ve been D

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R S Hansika from MOUNT LITERA ZEE SCHOOL, TIRUPUR
Subject :IMO    Class : Class 3

Ans 1:

neel niharika from JPHS , Jaipur
Class : Class 4
good

Ans 2:

Joshua Antony from Clarence Public School, Bangalore
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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