International Maths Olympiad Forum By SOF Olympiad Trainer - Page 71
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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
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 2:

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

Ans 3:

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

Ans 4:

Arnav Raj Sharma from GEMS International School the ultra master mega, Gurgaon
Class : Class 7
give solution

Ans 5:

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

Ans 6:

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

Ans 7:

shubham kakkar from bhawan vidyalaya, chandigarh
Class : Class 3

Ans 8:

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

Ans 9:

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

Ans 10:

tanmay srivastava from DPS Noida, Noida
Class : Class 4

Ans 11:

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

Ans 12:

Suryansh Chandrakar from Greenwood high, bangalore
Class : Class 4
its confusing, actually it is supposed to have 5 different notebooks and 3 different pens so 5*3=15

Ans 13:

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

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

Ans 1:

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 2:

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

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:

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

Ans 2:

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

Ans 3:

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

Ans 4:

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

Ans 5:

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

Ans 6:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The answer is D

Ans 7:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 7
The correct answer is D

Ans 8:

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

Ans 9:

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

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:

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

Ans 12:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 5
The correct answer is D

Ans 13:

Gunnit Kant from DPS, Nerul, Navi Mumbai
Class : Class 8
d

Ans 14:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 7
The correct answer is 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:

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)

Ans 2:

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

Ans 3:

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

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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
C

Ans 2:

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

Ans 3:

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

Ans 4:

Vivaan Aggarwal from MVN ARAVALLI HILLS, Faridabad
Class : Class 4
the ans is a

Ans 5:

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

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lasya priya.ch from ravindra bharati school, hyderabad
Subject :IMO    Class : Class 4

Ans 1:

Ayushman das from Calcutta Airport English High School, kolkata
Class : Class 8

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
The correct answer is D.

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akashdeep from Presidium School , New Delhi
Subject :IMO    Class : Class 4

Ans 1:

Dhanshree from Sunshine school, Karanja
Class : Class 4
D

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jefrin jabez christian from cs academy, erode
Subject :IMO    Class : Class 4

Ans 1:

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

Ans 2:

Shreeya Mangla from ASN Senior Secondary School, New Delhi
Class : Class 7
The correct answer is D as 12-5=9

Ans 3:

Ishan Bhatted from The Indian School, New Delhi
Class : Class 7

Ans 4:

Jeremy Sen from Montfort Senior Secondary, Roorkee
Class : Class 4

Ans 5:

Dhruva from VSSIPS, Bangalore
Class : Class 8
Option D

Ans 6:

Hamsini from Yagappa International School, Thanjavur
Class : Class 4
12-5 =9so answer is d

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