International Maths Olympiad Forum By SOF Olympiad Trainer - Page 580
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manish from cms, lucknow
Subject :IMO    Class : Class 8

Ans 1:

trainee from Gandhi city public school, pulgaon
Class : Class 8
the answer is(b) 65

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Aditi from Salt Lake School, Kolkata
Subject :IMO    Class : Class 9

Ans 1:

ARYAN PRASAD from Podar Internation School, Vadodara
Class : Class 9

Ans 2:

Ankit Kumar from Rkm, Chapra
Class : Class 9

Ans 3:

ARYAN PRASAD from Podar Internation School, Vadodara
Class : Class 9
option c

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Akriti ANannd from DPS Gaya, GAYA
Subject :IMO    Class : Class 7

Ans 1:

from Podar International School,Dhule, Dhule
Class : Class 8
12:320=3:80 in its simplest form. It is not equal to 3:81. You may simplify it like 12/320 divide both numerator and denominator by 4. You will surely get the answer as 3:80.

Ans 2:

Harsh Kumar from Maharishi Vidya Mandir, Guwahati
Class : Class 8
I have confusion in statement 1 but 2nd statement are correct. 1st statement in first no of pages in symmetry chapter is 12. total no pages is 320. the ratio is 12:320 =3:81 = 1 :27 2nd statement 2 out of 5 can participate means 40% of the student the 40% of 100 is 40 the percentage of students that participate in the quiz = 40/100*100 40%

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Shivam kushwah from Sanskar valley public school, Alampur bhind mp
Subject :IMO    Class : Class 7

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ishaan samantra from FBS , Bhubaneswar
Subject :IMO    Class : Class 3

Ans 1:

Arvi from Isbe , Europe
Class : Class 7

Ans 2:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 3:

Aadvik from Gyanshree School, Noida
Class : Class 6

Ans 4:

Kashika Goel from DPS Noida, Noida
Class : Class 7

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Aadi Turlapati from Glendale International school, Hyderabad
Subject :IMO    Class : Class 5

Ans 1:

Nila Pillai from Chennai public School, Chennai
Class : Class 6
No according to Bodmas rule the answer given by SOF is CORRECT

Ans 2:

adwitiya saxena from Ryan Internatinational School, Navi Mumbai
Class : Class 6
The answer should be D not A. In the first line they have used BODMAS, but in the second they have not and if we use BODMAS we will get option d.

Ans 3:

Prajjwal Dey from MLZS Wakad, PUNE
Class : Class 6
Yes It should be D according to bodmas rule

Ans 4:

Sarang Shete from Amanora School, Pune
Class : Class 8
According to DMAS it should be D.

Ans 5:

Aadi Turlapati from Glendale International school, Hyderabad
Class : Class 8
As per DMAS rules, the Answer is D

Ans 6:

Prajjwal Dey from MLZS Wakad, PUNE
Class : Class 6
But i checked with a calculator which gave the answer as a which is 69.48

Ans 7:

Haasini Krishna from Global edge, Hyderabad
Class : Class 6
yes, we also got the same answer. SOF should explain what rukle they followed

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Krethick Ravichandran from FIITJEE GLOBAL SCHOOL , India
Subject :IMO    Class : Class 5

Ans 1:

Apoorv Raut from Podar International School Jalna, Jalna
Class : Class 7
question is write but it is too tough for 5 th std that to just for 1 mark

Ans 2:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9
did you all get this answer

Ans 3:

Vaishnavi Sharma from Holy Angels ISC school , THIRUVANANTHAPURAM
Class : Class 8

Ans 4:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8

Ans 5:

Paavni Vaish from VIBGYOR HIGH HENNUR, Bangalore
Class : Class 5

Ans 6:

madhav from null, null
Class : Class 5
wasted 20 mins for this only

Ans 7:

Deep Ajay Ovhal from Podar International School, Latur, Latur
Class : Class 7

Ans 8:

SrisaranN from National school, Bangalore
Class : Class 8

Ans 9:

Aarav Hitesh Parikh from Gopal Sharma International School, Mumbai
Class : Class 8

Ans 10:

Manish Mulimani from chrysalis high, Bengaluru
Class : Class 8

Ans 11:

SUMANTA RAHA from BIRBHUM ZILLA SCHOOL, SURI
Class : Class 2

Ans 12:

Inamul from Springs, Nilambur
Class : Class 9
approach to this problem is not given correctly in solution. thought the answer given is correct.

Ans 13:

Saket S from CPS Global School, Chennai
Class : Class 5

Ans 14:

Tamrashi Pani from National Public School, Bangalore
Class : Class 8

Ans 15:

Tanmay Chaudhary from MIET public school, MEERUT
Class : Class 7
QUESTION IS NOT WRONG IN THIS WE HAVE TO SEE THE OPTION AND THEN DO IT . LIKE WE CAN ASSUME THAT TOTAL AMOUNT WAS OPTION B THEN DO THE CALLCULATION BUT FOR B WE DO NOT GET THE AMOUNT LEFT 1330

Ans 16:

SUMANTA RAHA from BIRBHUM ZILLA SCHOOL, SURI
Class : Class 2

Ans 17:

Adhav Subhashini Arun Kumar from Legacy School Bangalore, Bangalore
Class : Class 7

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Krethick Ravichandran from FIITJEE GLOBAL SCHOOL , India
Subject :IMO    Class : Class 5

Ans 1:

MUDIT KUMAR GARG from THE CAMBRAGE SCHOOL, DHURI
Class : Class 5
D Is the final answer

Ans 2:

Samarth from bangalore, bangalore
Class : Class 5

Ans 3:

MUDIT KUMAR GARG from THE CAMBRAGE SCHOOL, DHURI
Class : Class 5
D Is the final answer

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Krethick Ravichandran from FIITJEE GLOBAL SCHOOL , India
Subject :IMO    Class : Class 5

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Krethick Ravichandran from FIITJEE GLOBAL SCHOOL , India
Subject :IMO    Class : Class 5

Ans 1:

Saksham Chanani from Sri Sri Academy, Kolkata
Class : Class 9

Ans 2:

Manvir Singh Anand from Saint Francis, New Delhi
Class : Class 4

Ans 3:

Tanmay kaushal from ICSE, Mumbai
Class : Class 5

Ans 4:

Arnav majumdar from nps jpnagar, BANAGALORE
Class : Class 8
A

Ans 5:

Ayaan from HFSI POWAI, MUMBAI
Class : Class 6
v hard

Ans 6:

Kailash Viswanath Subash from Christ Nagar ICSE School, THIRUVANANTHAPURAM
Class : Class 9

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