International Maths Olympiad Forum By SOF Olympiad Trainer
  1. Home
  2. /  Forum

User Forum

Ask Your Question
vishalwahee@gmail.com from Bhatnagar International Summit, New Delhi
Subject :IMO    Class : Class 5

Ans 1:

Krishiv Goyal from Ridge Valley School, Gurgaon
Class : Class 6
640 you idiot

Post Your Answer

Aksh Dhiman from ,
Subject :IMO    Class : Class 7

Ans 1:

SUVAMDEBNATH from KVS BAMANGACHI, Howrah
Class : Class 6
please solve

Post Your Answer

Aksh Dhiman from ,
Subject :IMO    Class : Class 7

Ans 1:

Nandhini from Chinmaya Vidyalaya Anna Nagar, Chennai
Class : Class 7

Ans 2:

Tamajit Das from Bhavan's Tripura Vidya Mandir, Agartala
Class : Class 7
In question the phrase 'is added to itself' should be ommited. Then the answer matches with the question

Ans 3:

Nandhini from Chinmaya Vidyalaya Anna Nagar, Chennai
Class : Class 7
Can you please explain how we get this answer

Post Your Answer

Dev Jitendra Wadhwa from DPS VADODARA, Vadodara
Subject :IMO    Class : Class 10

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is B.

Post Your Answer

Dev Jitendra Wadhwa from DPS VADODARA, Vadodara
Subject :IMO    Class : Class 10

Ans 1:

SAHIL from SHREE SWAMINARAYAN PUBLIC SCHOOL, Gandhinagar
Class : Class 10
answer is 215 as all others are multiples of 13 247=13*19 91=13*7 65=13*5

Post Your Answer

om subham pati from Dps ranchi, Ranchi
Subject :IMO    Class : Class 8

Ans 1:

ADITI SACHIN RANE from LIONS DNYANPEETH KHAMGAON, KHAMGAON
Class : Class 4
from where the 12 come?

Ans 2:

Mukund Gupta from Jusco School South Park , Jamshedpur
Class : Class 8

Ans 3:

D PragyaTapsi from dav public school, hyderabad
Class : Class 8

Post Your Answer

Rameshwari from Jain English School Ambad, Ambad
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
860% of 50= (860/100)x50 and 50% of 860 is (50/100)x860

Post Your Answer

Soham Raniga from Indian School Ghubra, Muscat
Subject :IMO    Class : Class 8

Ans 1:

Omayr from Army Public School Yol Cantt, Dharamshala
Class : Class 8

Ans 2:

Soham Raniga from Indian School Ghubra, Muscat
Class : Class 9
answer is coming as B in site

Ans 3:

Anidroid ,Aniruddha from Modern DPS, Faridabad
Class : Class 8
6

Ans 4:

Admin from SOF, Noida
Class : Class 10
Answer:C

Solution
Work done by A in 1 day = 1/9
Work done by B in 1 day = 1/9 + 50% of 1/9 = 3/18 = 1/6
Days needed by B to complete the work = 6 days

Post Your Answer

Yash Mehta from GIIS, Singapore
Subject :IMO    Class : Class 4

Ans 1:

Tathagat Sahoo from Tathagat Sahoo, Pune
Class : Class 4
It should be 5. 3 removed from center triangle and 2 joining the top of the 3 triangle on the bottom there remains 4 triangles : 3 on the bottom and 1 outer triangle

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

Post Your Answer

Soham Raniga from Indian School Ghubra, Muscat
Subject :IMO    Class : Class 8

Ans 1:

ARYAN AGRAWAL from NPS KORAMANGALA, BANALORE
Class : Class 8
(D) one angle is 90 degree

Ans 2:

Admin from SOF, Noida
Class : Class 10
Answer : Diagonals are equal. Corrected option B to say "Diagonals are equal"

Ans 3:

om prakash sharan from modern delhi public school, faridabaad
Class : Class 7
both the options c and d are correct

Ans 4:

Admin from SOF, Noida
Class : Class 10
Answer : Diagonals are equal. Corrected option B to say "Diagonals are equal"

Ans 5:

Senthil from Einstien Public School, Coimbatore
Class : Class 9
ANS:DIAGONALS ARE EQUAL

Post Your Answer