International Maths Olympiad Forum By SOF Olympiad Trainer - Page 68
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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 5
The question answer is 4-5/8 .That means 4/1-5/8= 27/8= 3⅜.So the answer is D.

Ans 2:

Shrihan Koley from Radiant International School , Patna
Class : Class 5
The given answer is wrong but solution is correct

Ans 3:

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

Ans 4:

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 5:

Naman from DPS BALLABGARH , Ballabgarh
Class : Class 4

Ans 6:

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 7:

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 8:

Aditya Prasad Samant from ,
Class : Class 5
Answer is wrong so option D

Ans 9:

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 10:

Shreyaan Tamhane from DSRV, Mumbai
Class : Class 5

Ans 11:

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 12:

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 13:

Naman from DPS BALLABGARH , Ballabgarh
Class : Class 4

Ans 14:

Ridhan from SFS janakpuri, New Delhi
Class : Class 5

Ans 15:

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 16:

Samriddh Pujahari from Glentree Academy, Bangalore
Class : Class 5
d

Ans 17:

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

Ans 18:

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

Ans 19:

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 20:

Anamkhan Mulla from Navrachna Sama, Vadodara
Class : Class 7

Ans 21:

satvik from dps, mangalore
Class : Class 3
D

Ans 22:

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

Ans 23:

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

Ans 24:

lekhaj from NARAYANA, VISAKHAPATNAM
Class : Class 4
C

Ans 25:

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

Ans 26:

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

Ans 27:

Aryan Panigrahi from VIBGYOR HIGH, Pune
Class : Class 4

Ans 28:

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

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

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

Ans 1:

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

Ans 2:

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

Ans 3:

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 4:

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 5:

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

Ans 6:

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 7:

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

Ans 8:

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

Ans 9:

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

Ans 10:

from ,
Class :
As I am of class 4 it was tricky.

Ans 11:

Arshia Kochhar from Delhi Public School Dwarka , New Delhi, Dwarka
Class : Class 9

Ans 12:

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 13:

Aarohi from Bhavans Rajaji Vidyashram, Chennai
Class : Class 5
Very trickyNeed to read the question properly for this question

Ans 14:

from ,
Class :
The question is wrong.

Ans 15:

Rish from no, Jorhat
Class : Class 5
yes

Ans 16:

VEDANSHI HAJELA from Mayoor, Noida
Class : Class 6
NICE QUESTION

Ans 17:

Aarohi from Bhavans Rajaji Vidyashram, Chennai
Class : Class 5
Very tricky

Ans 18:

Advika Bhatta from The Gaudium School, Hyderabad
Class : Class 4
Answer is correct. R S = 600, P R S = 850, 850 - 600 = 250, hence answer is right.

Ans 19:

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

Ans 20:

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 21:

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

Ans 22:

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 23:

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

Ans 24:

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

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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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Aditya Patro from New Horizon Scholar School, Navi Mumbai
Subject :IMO    Class : Class 4

Ans 1:

Viraj Singh from Reliance Foundation School, Navi Mumbai
Class : Class 7

Ans 2:

Ramasamy KT from ISBR, Antwrp
Class : Class 4
Then why is it wrong

Ans 3:

Taanvi chopra from ,
Class : Class 4
wrong wrong * 1000000000000000000000000000000000000000000000000000000000000000000000000000000000

Ans 4:

Devyani bansal from Blue bell school international, New Delhi
Class : Class 5

Ans 5:

Viraj Singh from Reliance Foundation School, Navi Mumbai
Class : Class 7
answer can be 3 also

Ans 6:

Saket Shah from podar international school satara, satara
Class : Class 5

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Aditya Patro from New Horizon Scholar School, Navi Mumbai
Subject :IMO    Class : Class 4

Ans 1:

ANANYA GAURAV from GIS, NOIDA
Class : Class 5
I think the answer is wrong

Ans 2:

Prisha anand from Saplings excel, New delhi
Class : Class 4

Ans 3:

Vihaan Binaykia from Riverside, AHMEDABAD
Class : Class 5
C

Ans 4:

SAGNIK from Delhi public school, ruby park, kolkata
Class : Class 5

Ans 5:

ANANYA GAURAV from GIS, NOIDA
Class : Class 5

Ans 6:

Saiansh Tapuriah from The Shri Ram School, Aravali, Gurgaon
Class : Class 5

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Aditya Patro from New Horizon Scholar School, Navi Mumbai
Subject :IMO    Class : Class 4

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Daksh from Greenwood High, Bengaluru
Subject :IMO    Class : Class 4

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Aryan Priyadarshi from Chinmaya Vidyalaya EM, Rourkela
Subject :IMO    Class : Class 4

Ans 1:

Shaurya Shrivastava from Amanora school, Pune
Class : Class 6
but if we look carefully the circle has a horizontal line that is not in the centre

Ans 2:

Sreejith from St.Mary High school, Gajwel Telanagna
Class : Class 6
Sreejith kingswood from UK: There are 3 figures have ahttps://www.sofolympiadtrainer.com/user/endTest/resultReport

Ans 3:

REYANSH MALHOTRA from TAGORE INTERNATIONAL SCHOOL, DELHI
Class : Class 5
the horizontal line on the circle is not in the centre

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