International Maths Olympiad Forum By SOF Olympiad Trainer - Page 491
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Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Subject :IMO    Class : Class 4

Ans 1:

Shrihan Koley from Radiant International School , Patna
Class : Class 4
The question answer is 4-5/8 .That means 4/1-5/8= 27/8= 3⅜.So the answer is D.

Ans 2:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6

Ans 3:

Aditya Prasad Samant from ,
Class : Class 4
Answer is wrong so option D

Ans 4:

Ayan Azad from Genesis Global School, Noida
Class : Class 4
The correct answer is C. If you see the question, it says " 5/8 OF IT" which means 5/8 of 4kg, which is 2 1/2kg. So, the answer is 4kg - 2 1/2kg which is 1 1/2kg. wrong solution given though.

Ans 5:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 8
Answer is D 4-5/8=3 3/8 calculate it : 3 3/8 5/8 = 3 8/8 = 4 as 8/8 is 1 whole SIMPLE LOGIC they have given correct solution but the correct answer as provided by SOF is wrong OPTION C IS WRONG and there is simple logic behind it

Ans 6:

Shrihan Koley from Radiant International School , Patna
Class : Class 4
The given answer is wrong but solution is correct

Ans 7:

lekhaj from NARAYANA, VISAKHAPATNAM
Class : Class 4
C

Ans 8:

Aryan Panigrahi from VIBGYOR HIGH, Pune
Class : Class 4

Ans 9:

Anamkhan Mulla from Navrachna Sama, Vadodara
Class : Class 7

Ans 10:

Meera Angela B Pai from The Choice School, Thripunithura
Class : Class 4
solution is wrong versus correct answer=c.

Ans 11:

Saanvi Guglani from DPS Navi Mumbai, Navi Mumbai
Class : Class 7
The correct ans is D 11/2 KG because of the word of in the question

Ans 12:

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

Ans 13:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is D

Ans 14:

Hardik from Dasmesh public school kotkapura, Kotkapura
Class : Class 4
Answer is D

Ans 15:

Saarang roy from Indian school ghubra, Muscat
Class : Class 6
the correct answer is c because 4 kg =4000 g and 5/8 of it is 2500 g and the question is how much does she have left so it is 4000-2500=1500= 1 1/2

Ans 16:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5

Ans 17:

Kartavya from DPS WhiteField, Bangalore
Class : Class 4
TOTAL FLOUR = 4KG USED FOR BAKING = 5/8 x 4 = 20/8 = 10/4=5/2THEREFORE FLOUR LEFT =TOTAL FLOUR MINUS USED= 4 - 5/2 =8 - 5/2 = 3/2= 1 1/2 HENCE C IS CORRECT ANSWER

Ans 18:

Meera Angela B Pai from The Choice School, Thripunithura
Class : Class 4
answer is C but this is advance for class 4. it would have been better if "5/8 kg" was used. and then the answer would be letter "D".

Ans 19:

satvik from dps, mangalore
Class : Class 3
D

Ans 20:

Sourish Samanta from Asian International School, Howrah
Class : Class 5
Answer will be C but the solution is totally wrong. Not 5/8 kg, but 5/8 of 4 kg was consumed

Ans 21:

Naman from DPS BALLABGARH , Ballabgarh
Class : Class 4

Ans 22:

Shailaja Divakar from Chennai public school global school, London
Class : Class 6
The answer is C. We have to multiply 20 with 4 and divide it with 5. The answer will be 2.5. Now subtract 4 from 2.5. The answer will 1.5 or 1and a half.

Ans 23:

NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Class : Class 8
answer is D

Ans 24:

Naman from DPS BALLABGARH , Ballabgarh
Class : Class 4

Ans 25:

Samriddh Pujahari from Whitefield Global School , Bangalore
Class : Class 4
d

Ans 26:

Shreyaan Tamhane from DSRV, Mumbai
Class : Class 5

Ans 27:

Darsh Maheshwari from Lexicon international school kalyani nagar , Pune
Class : Class 4
Answer should be D. Solution also says its D but answer in system is 'C' which is incorrect.

Ans 28:

Naman from DPS BALLABGARH , Ballabgarh
Class : Class 4
Answer is D option

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Advaith Anand from Pawar public school , Bhandup
Subject :IMO    Class : Class 6

Ans 1:

INDRANIL BANDYO from DPS R K PURAM, New DELHI
Class : Class 7

Ans 2:

ABHARAN DATTA from Gundecha Education Academy, Mumbai
Class : Class 7

Ans 3:

Nandish Mehra from D.A.V Public School, AMRITSAR
Class : Class 7

Ans 4:

ABHARAN DATTA from Gundecha Education Academy, Mumbai
Class : Class 7

Ans 5:

Dishamrutha from indian school of excellence, bangalore
Class : Class 6
C

Ans 6:

ABHARAN DATTA from Gundecha Education Academy, Mumbai
Class : Class 7

Ans 7:

Urvi from Gear Innovative International School, Bangalore
Class : Class 6
C

Ans 8:

ABHARAN DATTA from Gundecha Education Academy, Mumbai
Class : Class 7
the answer is c=

Ans 9:

ABHARAN DATTA from Gundecha Education Academy, Mumbai
Class : Class 7

Ans 10:

Neerajakshi from pragathi central school , Hyderabad
Class : Class 6

Ans 11:

ABHARAN DATTA from Gundecha Education Academy, Mumbai
Class : Class 7
c

Ans 12:

Chinmay S Amboori from Adani Public School, Mundra
Class : Class 6

Ans 13:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7

Ans 14:

Sidak Singh from Manav Rachna International Schol, Faridabad
Class : Class 6

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Nilotpal Sahu from ST JOSETHS CONVENT SCHOOL, UDALA
Subject :IMO    Class : Class 4

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RANIA SEIKH from DPS Ruby Park, KOLKATA
Subject :IMO    Class : Class 5

Ans 1:

Prateeshtha Ghosh from Samhita Academy, Bangalore
Class : Class 8

Ans 2:

Arnav Shresth from St Pauls High School, Hajipur
Class : Class 5
wrong question report me

Ans 3:

KUSHAGRA BANSAL from ST PAULS SCHOOL , Udaipur
Class : Class 6
The answer is C.

Ans 4:

Arnav Shresth from St Pauls High School, Hajipur
Class : Class 5
sorry for wrong post

Ans 5:

Md Kamil Adab from Surendranath Centenary School , Ranchi
Class : Class 7

Ans 6:

Arnav Shresth from St Pauls High School, Hajipur
Class : Class 5

Post Your Answer

Aadeshkar Agarwal from St Teresa Convent School, Ghaziabad
Subject :IMO    Class : Class 3

Ans 1:

Kriday from KDAV, Jamnagar
Class : Class 4
B is the awnser

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ISHAN CHAUHAN from NEW ERA, Ghaziabad
Subject :IMO    Class : Class 4

Ans 1:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
You all have not read the question carefully. Unshaded part of first figure is 2/3. Shaded part of second figure is also 2/3.

Ans 2:

Arshia Kochhar from Delhi Public School Dwarka , New Delhi, Dwarka
Class : Class 8

Ans 3:

Mishika Singh from EISB, Bangalore
Class : Class 6
How???

Ans 4:

Shriyadita Podder from Hariyana Vidya Mandir, Kolkata
Class : Class 4
the correct answer is option b

Ans 5:

VEDANSHI HAJELA from Mayoor, Noida
Class : Class 5
NICE QUESTION

Ans 6:

Soumi roy from St mary secondary school, Chakdaha
Class : Class 4

Ans 7:

harry potter from Hogwarts school of witchcraft and wizardry , london
Class : Class 5
the answer is correct, B as the ratio (fraction) is 2/3

Ans 8:

Siddharth Laxmisha from The Study Lecole Internationale, PUDUCHERRY
Class : Class 8
The question is right. Read it properly.It matches unshaded portion of hearts to shaded portion of stars. Read the question properly.

Ans 9:

Mishika Singh from EISB, Bangalore
Class : Class 6
How????

Ans 10:

GARVIT hingorani from Lokhandwala Foundation School, mumbai
Class : Class 4
yes this question is wrong

Ans 11:

Aarohi from Bhavans Rajaji Vidyashram, Chennai
Class : Class 4
Very tricky

Ans 12:

Sureshbabu from PSBBMS OMR, Chennai
Class : Class 6
I think your answer is not correct, SOF

Ans 13:

Husaina from Vidyashilp Academy, Bangalore
Class : Class 5
unshaded is 10/15divided by 2=2/3therfore higher order equivalent fraction=4/6(multiplied by2)

Ans 14:

NEEV SINGH from VISHWA BHARATI PUBLIC SCHOOL, Noida
Class : Class 8
this question is wrong

Ans 15:

Anirban from TIGPS, Panskura
Class : Class 3
uhg7ygrgy uifhg g ujjjg

Ans 16:

taalish singh from kothari school, noida
Class : Class 7
shaded part in heart is 5/15=1/3, in option B-Star , 2 unshaded out of 6, 2/6=1/3,

Ans 17:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer B is right

Ans 18:

Aarohi from Bhavans Rajaji Vidyashram, Chennai
Class : Class 4
Very trickyNeed to read the question properly for this question

Ans 19:

Rish from no, Jorhat
Class : Class 5
yes

Ans 20:

taalish singh from kothari school, noida
Class : Class 7
shaded part in heart is 5/15=1/3, in option B-Star , 2 unshaded out of 6, 2/6=1/3,

Ans 21:

Meera Angela B Pai from The Choice School, Thripunithura
Class : Class 4
words are too tricky for class 4

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from Delhi Public School Noida, GHAZIABAD
Subject :IMO    Class : Class 5

Ans 1:

Sneha Laxmi from DPS, Dubai
Class : Class 4

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Sparsh Sinha from Jaipur School, Jaipur
Subject :IMO    Class : Class 8

Ans 1:

Ditya Goel from Presidium, Gurgaon
Class : Class 8
It should be 79 as the question states that the answer has to be a two digit number

Ans 2:

Samarth Chaudhary from RELIANCE FOUNDATION SCHOOL, SURAT
Class : Class 9

Ans 3:

neelu desai from bombay scottish, mumbai
Class : Class 8

Ans 4:

Anirudh from 989820Delhi Pubic school Rohini , Delhi
Class : Class 8
97 as it it is a 2 digit number

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arjundev from suncity school, Gurgaon
Subject :IMO    Class : Class 4

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arjundev from suncity school, Gurgaon
Subject :IMO    Class : Class 4

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