International Maths Olympiad Forum By SOF Olympiad Trainer - Page 86
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aarush from A p international school, thane
Subject :IMO    Class : Class 4

Ans 1:

Rahul Aggarwal from BAL BHARATO PUBLIC SCHOOL, New Delhi
Class : Class 4
Rahul aggarwal from delhi The answer is D, 90cm

Ans 2:

naman from dps noida noida, Noida
Class : Class 5

Ans 3:

Ananya from DPS north Bangalore, Bangalore
Class : Class 4
How to know what is U V

Ans 4:

Mihir from SIIS, Hyderabad
Class : Class 5
Uv is 11 cm the answer is 87

Ans 5:

Avi varde from Bhartiya Vidya Bhavan Raipur, Raipur
Class : Class 4
D

Ans 6:

Ananya from DPS north Bangalore, Bangalore
Class : Class 4
I cannot understand the questin

Ans 7:

Rahul Aggarwal from BAL BHARATO PUBLIC SCHOOL, New Delhi
Class : Class 4
D

Ans 8:

Anvita santosh nakhate from Sharda English School, Beed
Class : Class 4
Correct answer is D

Ans 9:

Ananya from DPS north Bangalore, Bangalore
Class : Class 4
It is very difficult

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Jay Singh from Ekya School, Bangalore
Subject :IMO    Class : Class 4

Ans 1:

Vibhor Mudgal from GBN School, Faridabad
Class : Class 4
700-650=(a) 50

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is A as we see that bakery B sold 700 cakes and bakery F sold halfway between 700 and 600, which is 650 cakes. now subtract 650 from 700, which is 700-650=50.

Ans 3:

Vibhor Mudgal from GBN School, Faridabad
Class : Class 4
700-650=(a) 50

Ans 4:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is A as we see that bakery B sold 700 cakes and bakery F sold halfway between 700 and 600, which is 650 cakes. now subtract 650 from 700, which is 700-650=50.

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Pranav from Delhi Public School, Bangalore
Subject :IMO    Class : Class 4

Ans 1:

mishika tripathi from DPS, Gurugram, Haryana
Class : Class 5
d

Ans 2:

Dhruva from VSSIPS, Bangalore
Class : Class 8
Option D

Ans 3:

L SURYANARAYANA from Javahar vidya Mandir, Ranchi
Class : Class 4

Ans 4:

Mrigank Roy from Delhi Public School Ghaziabad, Ghaziabad
Class : Class 10

Ans 5:

Dhruva from VSSIPS, Bangalore
Class : Class 8
Option D

Ans 6:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5

Ans 7: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Ans 8:

Parin Gupta from Clarence public school, Bangalore
Class : Class 2

Ans 9:

Dhruva from VSSIPS, Bangalore
Class : Class 8
Option D

Ans 10:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
sry they've given a

Ans 11:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 4
Ques is wrongwhen answer is d they've told answer is b

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rajib jana from DPS MEGA City, Kolkata
Subject :IMO    Class : Class 4

Ans 1:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Sorry, the answer is D.

Ans 2:

tanmay srivastava from DPS Noida, Noida
Class : Class 4

Ans 3:

Arnav Raj Sharma from Dpsvk, Gurgaon
Class : Class 9
give solution

Ans 4:

shubham kakkar from bhawan vidyalaya, chandigarh
Class : Class 5

Ans 5:

RACHANA from DELHI PUBLIC SCHOOL, HYDERABAD
Class : Class 4
c

Ans 6:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Sorry, the answer is D.

Ans 7:

ikshika kumar from MVN SCHOOL, FARIDABAD
Class : Class 7
D) 15

Ans 8:

Sanaya Singh from Hiranandani Foundation, Mumbai
Class : Class 2
a bit confusing

Ans 9:

Sai Lakshmi Rao from Maneckji Cooper Education Trust, Mumbai
Class : Class 4
The answer is d.

Ans 10:

Aajani Datta from The Samhita Academy, Bangalore
Class : Class 5
to get the answer, just do 5 5 5=15

Ans 11:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is C as the question says the combinations of 1 notebook and 1 pen from 5 notebooks and 3 pens, which is 5*3=15.

Ans 12:

Suryansh Chandrakar from Greenwood high, bangalore
Class : Class 7
its confusing, actually it is supposed to have 5 different notebooks and 3 different pens so 5*3=15

Ans 13:

Aajani Datta from The Samhita Academy, Bangalore
Class : Class 5

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Ibrahim Ahmed from Lady Vissanji , Mumbai
Subject :IMO    Class : Class 4

Ans 1:

ikshika kumar from MVN SCHOOL, FARIDABAD
Class : Class 7
d) 20/100 because 20/100 is equivalent fraction of 1/5

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D as in option A, 14/100 is shaded, which means 7/50 is shaded. In option B, 22/100 is shaded, which means 11/50 is shaded. In option C 29/100 is shaded. In option D, 20/100 is shaded, which means 1/5 is shaded.

Ans 3:

Ibrahim Ahmed from Lady Vissanji , Mumbai
Class : Class 4

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Jyoti Jaiswal from Dps r k puram eok, New Delhi
Subject :IMO    Class : Class 4

Ans 1:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is C as the question says that Sid wakes up at 6:10 a.m., which is 6 hours 10 minutes of morning, next, the question says he takes 40 minutes to get dressed, 10 minutes to eat breakfast and 25 minutes to reach school, which means 45 min+10 min+25 min=80 min=1 hr 20 min. Then, 6:10 a.m.+1 hr 20 min=7:30 a.m.

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Aviral Shukla from Apeejay School Sheikh Sarai, New Delhi
Subject :IMO    Class : Class 4

Ans 1:

Arhan Shri Gupta from Mayoor Private School, Abu dhabi
Class : Class 7

Ans 2:

Ira Agrawal from Sancta Maria International School, Hyderabad
Class : Class 3
It’s obviously D!!!

Ans 3:

Arya Prabhughate from Narayana E Techno School, NALASOPARA
Class : Class 8
ans is d

Ans 4:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6
The correct answer is D

Ans 5:

Deepayan Das from South Point High School, Kolkata
Class : Class 6
oh! yeah it's D

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 9
The answer is D

Ans 7:

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

Ans 8:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 9
The correct answer is D

Ans 9:

ikshika kumar from MVN SCHOOL, FARIDABAD
Class : Class 7
D) 82 cm

Ans 10:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5
Answer is D as the question says to find the perimeter, which is (7*2) cm+4 cm+(9*2) cm+15 cm+8 cm+5 cm+(4+5+9) cm=14 cm+4 cm+18 cm+15 cm+8 cm+5 cm+18 cm=82 cm.

Ans 11:

JESHAL MOHAPATRA from GEMS MODERN ACADEMY, Dubai
Class : Class 4
missing is 9cm and 18cm which goes accoording to D!

Ans 12:

Avantika Jain from Greenwood High International School, Bengaluru
Class : Class 4
Easy! It's D

Ans 13:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 5
d

Ans 14:

Shreeraj from ISWK, Muscat, Muscat
Class : Class 4
Option D

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Aadithya John Gejo from Airforce school AV camp, Bangalore
Subject :IMO    Class : Class 4

Ans 1:

Dhanshree from Sunshine school, Karanja
Class : Class 4
The answer is C

Ans 2:

AREEN from BOLTON SCHOOL, Secunderabad
Class : Class 5

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Dhruv from Springdales, Dubai
Subject :IMO    Class : Class 4

Ans 1:

GAUTAM RAJESH from A E C S MANGNOLIA MAARUTHI , BANGALORE
Class : Class 4
The answer is b}4789

Ans 2:

ikshika kumar from MVN SCHOOL, FARIDABAD
Class : Class 7
B) 4789

Ans 3:

dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is B),how? Because the first line mentions that the forth digit is the greatest digit which is nine so option A) and option C) cannot be the answer. The second line mentions that the first digit is double of the number two so option D) cannot be the answer. So the answer is B)

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STUTI DHAR from KC GURUKUL PUBLIC SCHOOL PALOURA JAMMU, JAMMU
Subject :IMO    Class : Class 4

Ans 1:

Dhanshree from Sunshine school, Karanja
Class : Class 4
The answer is A

Ans 2:

Dhanshree from Sunshine school, Karanja
Class : Class 4
The answer is A

Ans 3:

Vivaan Aggarwal from MVN ARAVALLI HILLS, Faridabad
Class : Class 6
the ans is a

Ans 4:

Dhanshree from Sunshine school, Karanja
Class : Class 4
The answer is A

Ans 5:

Dhanshree from Sunshine school, Karanja
Class : Class 4
C

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