International Maths Olympiad Forum By SOF Olympiad Trainer - Page 503
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Deevanshi from Delhi public school, Firozpur
Subject :IMO    Class : Class 5

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Arghya Chaudhuri from Chirec International School, Hyderabad
Subject :IMO    Class : Class 8

Ans 1:

arnav raj sharma from gulibulium school, new york
Class : Class 8
39 1 is 40 so it is the right answer

Ans 2:

Arkaprabho Sau from Griffins International School, Kharagpur
Class : Class 9

Ans 3:

Sounak halder from Kendriya Vidyalaya Cossipore, kolkata
Class : Class 8

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Vihaan Binaykia from Riverside, AHMEDABAD
Subject :IMO    Class : Class 3

Ans 1:

vivan from greenwood high international school, BENGALURU
Class : Class 1
slanting lines cannot be counted as straight but answer is calculating . so their answer is wrong

Ans 2:

DIVYA from SBC ACADEMY, DINDIGUL
Class : Class 2

Ans 3:

vineet8026@gmail.com from dps, Doha
Class : Class 1

Ans 4:

Ved Kulkarni from vidya pratishthan's magarpatta city public school, Pune
Class : Class 3

Ans 5:

Vihaan Binaykia from Riverside, AHMEDABAD
Class : Class 5

Ans 6:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 3
I'm getting 29 lines too.

Ans 7:

Atul from Mayoor Private School, Abu Dhabi
Class : Class 6
As per my calculation, I am getting 45 straight lines of different sizes, even including the small lines. I don't know how C answer is correct. Can any one please explain?

Ans 8:

Ayaati Chaturvedi from Sanskar Valley School , Bhopal
Class : Class 3
This question is wrong as I am getting 31 lines

Ans 9:

Chanchal Sharma from Universal high School, Thane West
Class : Class 3
we got 29 lines...

Ans 10:

Nayan Raj Dutta from DELHI PUBLIC SCHOOL, Duliajan
Class : Class 6
how the answer is c because im geeting 16 lines

Ans 11:

Adishree Nagre from Vibgyor High, Mumbai
Class : Class 5
i got 29 lines

Ans 12:

Sushama Saroj from Studyhall, Lucknow
Class : Class 3

Ans 13:

Chanchal Sharma from Universal high School, Thane West
Class : Class 3
plz explain.

Ans 14:

Samara Muthukumar from Don Bosco International School, Mumbai
Class : Class 3

Ans 15:

Pranaya Chaudhary from Springdales School Dubai , Dubai
Class : Class 3
Horizontal 9Vertical 6Diagonal 13

Ans 16:

Pradyun Krsna from CPS Global School Annanagar, Chennai
Class : Class 3

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Som from , Ghaziabad
Subject :IMO    Class : Class 6

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from ,
Subject :IMO    Class : Class 7

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yagvalakya from B V B Vidyashram pratap nagar, JAIPUR
Subject :IMO    Class : Class 8

Ans 1:

Shreyas U M from Surabhi , Hospet
Class : Class 9
c.p of each apple = 34/8 = 4.25 s.p of each apple = 57/12 = 4.75 profit per apple = 4.75-4.25 = 0.5 net profit = no of apple sold * profit on each apple 45 = no of apple sold *0.5 45/0.5 = 45*2 = 90 = no of apple sold thus the answer is (A) 90 apples

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Juhi Ghosh from Mahadevi Birla Shishu Vihar kolkata, Kolkata
Subject :IMO    Class : Class 6

Ans 1:

Devansh Jha from Tribhuvan school , Patna
Class : Class 6
When 2x 3x 1x =546cm3x 1x=4x6x=546cmx=546÷6=91cm4x=91×4=364cm

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Vinay Hariharan from Podar International School, Pune
Subject :IMO    Class : Class 8

Ans 1:

Sriyansh from Surabhi , Hosapete
Class : Class 9
Let the measure of the breadth =10 Let the measure of the length = 10 original area=10 x 10 =100 new length=9.5 new breadth=10.5 new area = (100-5)(100+5)/100 new area=99.75 percent change=100-99.75 =(0,25/100) x 100=0.25% decrease

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lavansh Agarwal from jodhamal public school, Jammu
Subject :IMO    Class : Class 4

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devdutta majhi from katwa d.d.c girls h.s school, katwa
Subject :IMO    Class : Class 6

Ans 1:

Avika Goel from Delhi Public School, Navi Mumbai
Class : Class 6
Mistake in solutions - c) should be 10 2/5 instead of 20 4/5

Ans 2:

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

Ans 3:

Aaditya Jain from Jaypee public school, Greater noida
Class : Class 8
Yes the answer is 10.4 or10 2/5

Ans 4:

Urvi from Gear Innovative International School, Bangalore
Class : Class 6
Looks like the solution is updated, which is correct = 10 1/2 but there is no such option.

Ans 5:

Garv Agarwal from Somerville School Noida, Noida
Class : Class 4
yes, the ans is 10 2/5 only....

Ans 6:

anveshi srimal from cathedral and john connon school, mumbai
Class : Class 7
yes what is the solution to this question?

Ans 7:

Sunvi Maity from Pandit Iswar Chandra Visyasagar Mission, Sultannagar
Class : Class 6

Ans 8:

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

Ans 9:

Sanay Pathak from Hooghly, Hooghly
Class : Class 5
I agree to the solution given by SOF Olympiad Trainer but the options are wrong.

Ans 10:

harry potter from hogwarts, hogsmeade
Class : Class 6

Ans 11:

Nishantika Parai from Somerville School, Noida, Noida
Class : Class 6
Correct answer is 10 2/5. It's in the solution but the option is not given.

Ans 12:

AREEN from BOLTON, HYDERABAD
Class : Class 6
True. Options are wrong...... :-(

Ans 13:

Madhav Chhibber from The Shriram Millenium School, Noida
Class : Class 7
The answer should be 10 2/5. I believe the options are wrong.

Ans 14:

Vedant Ranka from Jbcn, Mumbai
Class : Class 6
wrong options

Ans 15:

Evangeli Saha from Calcutta International School, Kolkata
Class : Class 6
how did you get this answer

Ans 16:

Aarav Srivastav from DWPS , Noida Extension
Class : Class 7
Yes, but the options are wrong

Ans 17:

Praneet Agarwal from ,
Class : Class 6
Whoever made this test is dumb.It is a game of luck

Ans 18:

Naitik Mundra from International School Rheintal, Buchs Sankt Gallen
Class : Class 9
answer should be 10 2/5

Ans 19:

Aaditya Jain from Jaypee public school, Greater noida
Class : Class 8
As the answer will be like this(-3/5 -(-2 3/5)) * 5 1/5= 2*5 1/5/ = 10 2/5

Ans 20:

Vishakha Mayekar from Dp, Mumbai
Class : Class 6
Options are wrong.

Ans 21:

Sradha Ratheesh from MGM central Public School, Trivandrum
Class : Class 8

Ans 22:

mithran from hiranandani foundation school powai, mumbai
Class : Class 5
what is the correct answer?

Ans 23:

Satwik Dixit from Christ Academy, Bangalore
Class : Class 7
YES OPTIONS ARE WRONG :-(

Ans 24:

Richa Chawla from St. Stephen's School, Mohali
Class : Class 6
praneet is correct answer 18

Ans 25:

Shreyasi Padihary from The Cambridge International School , Bangalore
Class : Class 7
The ans is 10 2/5 which is not there in the options

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