International Maths Olympiad Forum By SOF Olympiad Trainer - Page 367
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Ankit kumar Jha from Ryan International School , Ghaziabad
Subject :IMO    Class : Class 8

Ans 1:

Kaushik Srivatsa H from Bala Vidya Mandir Global, Bangalore
Class : Class 7
Obviously D is the answer

Ans 2:

Anshuman D from MVM, Hyderabad
Class : Class 9
Answer is D obviously

Ans 3:

Ankit kumar Jha from Ryan International School , Ghaziabad
Class : Class 9
none of the answer is correct

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Spongii from NPS , Bangalore
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): 42250 - 31125 = 11,125
Rounding off to the nearest thousand = 11000
 


Ans 2:

Arnav from Mount Litera Zee School , Rothak
Class : Class 5

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SAJAL SAROJ LAHKAR from SHRIMANTA SHANKAR ACADEMY, GUWAHATI
Subject :IMO    Class : Class 6

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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:

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

Ans 2:

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

Ans 3:

Vinay Dev Jhari from Delhi Public School, Noida
Class : Class 4

Ans 4: (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 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:

MANIT from Lotus valley, Gurgaon
Class : Class 3

Ans 7:

Moksh from NPS, Singapore
Class : Class 6

Ans 8:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 8
Incorrect

Ans 9:

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

Ans 10:

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

Ans 11:

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

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 8

Ans 14:

Kushagra Sah from Bahrain Indian School, Manama Bahrain
Class : Class 8
Incorrect.It should be Friday Or Monday.How could it be Sunday?

Ans 15:

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 16:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 3
Monday

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

Ans 1:

dhanyashree from BVM Global, Chennai
Class : Class 5
B

Ans 2:

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

Ans 3:

manish sonkusale from NARAYANA VIDYALAYAM, nagpur
Class : Class 4
Don,t instead of don,r

Ans 4:

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

Ans 5:

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

Ans 6:

Vaishnavi Sahu from St Johns English School and Junior College, Chennai
Class : Class 4
how can the answer B become can anyone explain.

Ans 7:

manish sonkusale from NARAYANA VIDYALAYAM, nagpur
Class : Class 4
Me too don,r know

Ans 8:

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

Ans 9:

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

Ans 10:

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

Ans 11:

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

Ans 12:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 8
The correct answer is B

Ans 13:

manish sonkusale from NARAYANA VIDYALAYAM, nagpur
Class : Class 4
Don,r know the explanation

Ans 14:

Oscar Maltman from DBSEH, dubai
Class : Class 8

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

Ans 1:

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 2:

Anagha from DAV, MUMBAI
Class : Class 5

Ans 3: (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 4:

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

Ans 5:

Advik Singh from GIIS, GHAZIABAD
Class : Class 4

Ans 6:

Krisha from gurukul, pune
Class : Class 1
This is a Good question for kids

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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: (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 2:

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

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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