International Maths Olympiad Forum By SOF Olympiad Trainer - Page 424
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Avni Bagla from National Public School Hosur Road, Bangalore
Subject :IMO    Class : Class 3

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Shaik Aafreen from Sherwood High, Bangalore
Subject :IMO    Class : Class 5

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Tanishka Tripathi from Bal Bharti Public School, Khargone
Subject :IMO    Class : Class 3

Ans 1:

Moksh from NPS, Singapore
Class : Class 6

Ans 2:

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

Ans 3:

Vinay Dev Jhari from Delhi Public School, Noida
Class : Class 5

Ans 4:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 9

Ans 5:

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

Ans 6:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 9
Incorrect

Ans 7:

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

Ans 8:

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 9:

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 10: (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 11:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
Monday

Ans 12:

Rudranksh Chiranjib Guha from Sri Sri Ravishankar Vidya Mandir, Mulund, Mumbai
Class : Class 4
Yeah... The answer should be option D

Ans 13:

Risha Maithani Chaurasia from Euro School Kharadi, Pune
Class : Class 3
monday is correct answer

Ans 14:

MANIT from Lotus valley, Gurgaon
Class : Class 3

Ans 15:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 9
Incorrect.It should be Friday Or Monday.How could it be Sunday?

Ans 16:

Ved Kulkarni from vidya pratishthan's magarpatta city public school, Pune
Class : Class 3
Yes the correct answer is Monday not Sunday. Please correct it

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

Ans 1:

Vaishnavi Sahu from St Johns English School and Junior College, Chennai
Class : Class 5
how can the answer B become can anyone explain.

Ans 2:

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

Ans 3:

dhanyashree from BVM Global, Chennai
Class : Class 5
B

Ans 4:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 9
The correct answer is B

Ans 5:

Ridan Sonkusale from NARAYANA VIDYALAYAM, nagpur
Class : Class 5
Me too don,r know

Ans 6:

Oscar Maltman from DBSEH, dubai
Class : Class 10

Ans 7:

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

Ans 8:

Ridan Sonkusale from NARAYANA VIDYALAYAM, nagpur
Class : Class 5
Don,t instead of don,r

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

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

Ans 13:

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

Ans 14:

Ridan Sonkusale from NARAYANA VIDYALAYAM, nagpur
Class : Class 5
Don,r know the explanation

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

Ans 1:

Advik Singh from GIIS, GHAZIABAD
Class : Class 4

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:

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

Ans 5: (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 6:

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

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Aadhya Dhiman from Mount Carmel School, una
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:

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

Ans 2:

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

Ans 3: (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 . 
 


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

Ans 1:

Yadnya Thakare from Ryan International, Pune
Class : Class 9
A is the answer

Ans 2:

Atharv Rai from The Foundation School , Bangalore
Class : Class 4
a is ans

Ans 3:

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

Ans 4:

Miraya Agarwal from School of india, Bengaluru
Class : Class 6
(A) is the answer

Ans 5:

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

Ans 6: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(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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