International Maths Olympiad Forum By SOF Olympiad Trainer - Page 307
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Tanishka Tripathi from Bal Bharti Public School, Khargone
Subject :IMO    Class : Class 3

Ans 1:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 6

Ans 2:

Moksh from NPS, Singapore
Class : Class 6
Incorrect. The first day "FROM" 20 Sep is 21 Sep. Correct answer should be Monday.

Ans 3:

MANIT from Lotus valley, Gurgaon
Class : Class 3

Ans 4:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 6
Incorrect.It should be Friday Or Monday.How could it be Sunday?

Ans 5:

MANIT from Lotus valley, Gurgaon
Class : Class 3
sunday is completely wrong .SOF is getting it things wrong many times

Ans 6:

Arohan from VSV, Kolkata
Class : Class 3
This is incorrect. The correct answer should be Monday. The first day from 20th Sep is the 21st of Sep and not the 20th of Sep. Hence, the 7th day should be a Mon and so will all multiples of 7 starting the 20th of Sep.

Ans 7:

Vinay Dev Jhari from Delhi Public School, Noida
Class : Class 3

Ans 8: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):  1st day = 20th sep = Monday
8th day = 27th sep = Monday
15th day = 4th oct = Monday
22nd day = 11th oct = Monday
29th day = 18th oct = Monday
35th day = 24th oct = Sunday


Ans 9:

Suchi shah from AIS, Ahmedabad
Class : Class 3
Answer should be monday

Ans 10:

Rudranksh Chiranjib Guha from Sri Sri Ravishankar Vidya Mandir, Mulund, Mumbai
Class : Class 3
Yeah... The answer should be option D

Ans 11:

Moksh from NPS, Singapore
Class : Class 6

Ans 12:

MANIT from Lotus valley, Gurgaon
Class : Class 3
the answer should be monday or tuesday but,they have not given the correct answer or tuesday. SOF has been wrong many times.

Ans 13:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 6
Incorrect

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Saumya Namdeo from Jai Bharat English Medium School, Janjgir
Subject :IMO    Class : Class 4

Ans 1:

Shreeraj from ISWK, Muscat, Muscat
Class : Class 4
Option B 180

Ans 2:

Bhanu teja from Birla Open Minds, Hyderabad
Class : Class 7
Why’s the answer is D

Ans 3:

GAIRIK GHOSH from ST. AUGUSTINE'S DAY SCHOOL, BARRACKPORE, AGARPARA
Class : Class 6
The answer for this question is 'B'

Ans 4:

Siddhi Kher from NHSS Thane, THANE
Class : Class 1
answer is B

Ans 5:

Bhanu teja from Birla Open Minds, Hyderabad
Class : Class 7

Ans 6:

Oscar Maltman from DBSEH, dubai
Class : Class 8

Ans 7:

Bhanu teja from Birla Open Minds, Hyderabad
Class : Class 7

Ans 8:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 7
The correct answer is B

Ans 9:

Khanak Jha from Prime Academy, Mumbai
Class : Class 4
The correct answer is B 180

Ans 10:

dhanyashree from BVM Global, Chennai
Class : Class 5
B

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Senaraj Chintagumpala from Delhi Public School East, Bangalore
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D): Cost of 500 gm of peaches = ₹ 8
Cost of 250 gm of peaches = ₹ 4
Cost of 750 gm (i.e. 250 gm + 500 gm) of peaches = ₹ 8 + ₹ 4 = ₹ 12


Ans 2:

Krisha from gurukul, pune
Class : Class 2
This is a Good question for kids

Ans 3:

Anagha from DAV, MUMBAI
Class : Class 5

Ans 4:

Anagha from DAV, MUMBAI
Class : Class 5
D) Cost of 500 gm of peaches= Rs.8 Cost of 250 gm = Rs. 4 so 250 gm 500 gms = 750 gms = Rs.8 Rs.4 = Rs. 12

Ans 5:

Kanishk bhati from G D goenka school gzb, ghaziabad
Class : Class 3
its very riddely

Ans 6:

Advik Singh from GIIS, GHAZIABAD
Class : Class 4

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Aadhya Dhiman from Mount Carmel School, Nangal
Subject :IMO    Class : Class 2

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Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Subject :IMO    Class : Class 7

Ans 1:

dhakshith from Vidhyaniketan, Coimbatore
Class : Class 8
Option is wrong\Answer is (D)

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): A. Multiplication of two integers with unlike signs is always  negative.
B. When a positive integer is divided by a negative integer, the quotient obtained is a negative integer.
C. Product of odd number of negative integers is negative . 
 


Ans 3:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
No, the answer is B, as the admin says.. Because whatever the number might be, it will surely be negative.. example: 50/-23 is negative anyhow

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IAMLOST from ABC, Pune
Subject :IMO    Class : Class 4

Ans 1:

AARAV AGRAWAL from BIRLA DIVYA JYOTI, SILIGURI
Class : Class 8
(A) because the best estimate of 795 is 800.

Ans 2:

Yadnya Thakare from Ryan International, Pune
Class : Class 7
A is the answer

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): The best estimate of 795 is  800 . 


Ans 4:

Miraya Agarwal from School of india, Bengaluru
Class : Class 4
(A) is the answer

Ans 5:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
(A): The best estimate of 795 is 800 .

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AGNIVA MANDAL from DPS Megacity, Kolkata
Subject :IMO    Class : Class 6

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neel kumar from CPS, Pune
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(A): Given digits = 9,8,3,4
Greatest 6 digit no. formed  by these digits = 999843
Smallest 5 digit no. formed by these digits = 33489
Required difference = 999843 - 33489 = 966354


Ans 2:

Shubham Majhi from Sri Chaitanya Techno School, Bangalore
Class : Class 5
Admin is wrong , because the question given the digit used once but admin is using digit 9 multiple time which is wrong , so either question or options is wrong .

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Ainesh Bhuniya from Utpal Sanghvi, Mumbai
Subject :IMO    Class : Class 3

Ans 1:

Samarth G Aland from PODAR INTERNATIONAL SCHOOL, PIMPRI, PUNE
Class : Class 3

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): 709 is seven hundred nine.


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Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Subject :IMO    Class : Class 4

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