International Maths Olympiad Forum By SOF Olympiad Trainer - Page 784
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Khushi Soni from Pawar Public School, Pune
Subject :IMO    Class : Class 6

Ans 1:

OISHIK KUNDU from Delhi Public school North kolkata, baranagar
Class : Class 4
5 years ago, Trishika was 10 yrs old. Then, Jay was 3 x (10) yrs old = 30x 3 years after means 8 years after. Trishika’s age = 10 8 = 18 yrs. Jay‘s age = (30x) 8 yrs. Total = 18 (30x) 8 = 26 30x Answer-(D) (26 30x) years old

Ans 2:

Aayushi from Best English school, Ahmedabad
Class : Class 6

Ans 3:

Pravir Mishra from National Public School, Bengaluru
Class : Class 8
5 years ago trishikas age is 10 yrs jay is 3x*10=30x present age of trishika is 15 yrs and jay is 30x +5 after 3 yrs trishika is 18 and jay is 30x+8 total age = 30x+8+18=30x+26 Pravir

Ans 4:

Garv Agarwal from Somerville School Noida, Noida
Class : Class 4
the solution is not clear

Ans 5:

Pravir Mishra from National Public School, Bengaluru
Class : Class 8
5 years ago trishikas age is 10 yrs jay is 3x*10=30x present age of trishika is 15 yrs and jay is 30x +5 after 3 yrs trishika is 18 and jay is 30x+8 total age = 30x+8+18=30x+26 Pravir

Ans 6:

Ishita Pandey from The Samhita academy, Bengaluru
Class : Class 7
I didn't understand the solution completely

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sanju bhagat from ,
Subject :IMO    Class : Class 3

Ans 1:

Saha from Bangalore, Bangalore
Class : Class 3

Ans 2:

kashish sah from Bal Bharati Public School, New Delhi
Class : Class 7
3/4th of quater is 3/4 x 1/4 = 3/16, therefore the answer is A

Ans 3:

Shiven ojha from the gurukul, panchkula
Class : Class 8
correct answer should be D

Ans 4:

Aryan Goyal from DPS , Dwarka, New Delhi
Class : Class 3
ans is a or explain

Ans 5:

Soham Gupta from JSSIS Dubai, Dubai
Class : Class 6
option D should be right answer

Ans 6:

Aditi Shiv Shankar Jaiswal from Delhi Public School Jeddah, Jeddah
Class : Class 4

Ans 7:

Dhairya Godbole from KLE Eng Medium School, SOLAPUR
Class : Class 6
Answer is A because the questions asks 3/4 of Quarter of traiangle i.e. 1/4th. So it is basically asking 3/16 of the triangle, hence, A.

Ans 8:

Ananya Singhal from Arwachin Bharti Bhawan Sr. Sec. School, Delhi
Class : Class 4
answer is D A. 3/16 which is in lowest form B.4/16 =1/4 C.2/16=1/8 D.12/16=3/4

Ans 9:

Priansh Nair from Bhavans Vidya mandir eroor, Ernakulam
Class : Class 4

Ans 10:

Shashwat Srivastava from vibgyor high marathhalli, Bengaluru
Class : Class 3
A.quarter of 16 is 4 and 3/4 of that is 3,so answer is A,3

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Saksham Abhay Kadlag from S P G International school, Pune
Subject :IMO    Class : Class 5

Ans 1:

Pranav Goyal from Delhi Public School,Noida, Noida
Class : Class 6
The answer will be C, Saksham.

Ans 2:

Dhruva from VSSIPS, Bangalore
Class : Class 8
What’s the correct answer?

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Ayush Banerjee from DAV Pune, Pune
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

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

Ans 2:

Anaisha Niranjan from DPS Noida, Noida
Class : Class 4
this quetion is wrong

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rajendra mhaske from ,
Subject :IMO    Class : Class 7

Ans 1:

Ketan Patil from PAWAR PUBLIC SCHOOL, BHANDUP, Mumbai
Class : Class 10
Option C is correct because 0/(-7)=0 is wrong as when zero is divided by any other number, the answer is not defined but when any number is divided by zero, the answer is zero.

Ans 2:

Anirudh Jhunjhunwala from JBCN International School, Parel, Mumbai
Class : Class 8
both are false bias any fraction with numerator or denominator 0 is not valid / is not right

Ans 3:

Kundan from Vasistha genesis school, Bardoli
Class : Class 7
OPTION:- C

Ans 4:

SUPRATIK CHATTOPADHYAY from DELHI PUBLIC SCHOOL, DIGBOI
Class : Class 9
yes u are right . it should be (B)

Ans 5:

Anish Hatua from Chennai Public School, Chennai
Class : Class 8
b

Ans 6:

PEDDI SAI PREETHAM from TRIVENI TALENT SCHOOL, KOTHAGUDEM
Class : Class 7
B

Ans 7:

Megha Hegde from PSBBLLA, Bengaluru
Class : Class 8
B is the correct answer

Ans 8:

Anirudh Jhunjhunwala from JBCN International School, Parel, Mumbai
Class : Class 8
both are false bcas any fraction with numerator or denominator 0 is not valid / is not right

Ans 9:

AARAV AGGARWAL from DAV PUBLIC SCHOOL LUDHIANA, Ludhiana
Class : Class 5
B option is the correct

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rajendra mhaske from ,
Subject :IMO    Class : Class 7

Ans 1:

Amit Malhotra from ,
Class : Class 7
1/u + 1/v =1/f => 1/u = 1/f - 1/v => 1/u = (v-f)/fv => u = fv/(v-f) Answer: B

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Sameer Iqubal from Father Agnel School, New Delhi
Subject :IMO    Class : Class 5

Ans 1:

Shivani Gupta from Queens College, Indore
Class : Class 6
the correct answer is A.

Ans 2:

Amreet Sinha from GIIS, Ahmedabad
Class : Class 5
The correct option is ‘ a ' .

Ans 3:

Ayush Kumar from Maria Assupta Sr. Sec. Convent School, KASHIPUR
Class : Class 5

Ans 4:

Ayush Kumar from Maria Assupta Sr. Sec. Convent School, KASHIPUR
Class : Class 5
The correct answer is A.

Ans 5:

Amreet Sinha from GIIS, Ahmedabad
Class : Class 5
Both options a and c are correct

Ans 6:

RudrashishChakraborty from Sudarshan Vidyamandir ICSE Academy, Bengaluru
Class : Class 6
option a is correct. option c does not have a line of symmetry.

Ans 7:

Aaditya Vichare from St. John's Universal School, Mumbai
Class : Class 10
Both A and C are correct options

Ans 8:

Bhabani Prasad from Narayan School, Kolkata
Class : Class 6
Both a and c are correct. As a is symmetrical vertically and c is symmetrical horizontally.

Ans 9:

Shriyann from Suniti Devi Singhania School, Thane
Class : Class 9
I think the answer is A.

Ans 10:

Aadit Bhagade from Delhi Public School Kalali, Vadodara
Class : Class 7
Ans. should be 'A'. 'C' doesn't have a line of symmetry.

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Sanjay Mishra from Avalon Heights International School, Mumbai
Subject :IMO    Class : Class 5

Ans 1:

Jhumur Acharya from ,
Class : Class 5
S and C don't have a line of symmetry

Ans 2:

Pratyush Shyam Chowdhury from Indus Valley World school, Kolkata
Class : Class 6
E and C doesn't have a vertical line of symmetry

Ans 3:

BAIBHAB MODAK from KENDRIYA VIDYALAYA (ARMY), BARRACKPORE, KOLKATA
Class : Class 5

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Sanskriti Ranjan from SETH ANANDRAM JAIPURIA SCHOOL, Ghaziabad
Subject :IMO    Class : Class 5

Ans 1:

Adithya Vardhan from Loyola School, Trivandrum
Class : Class 9
16:24:48=2:3:6

Ans 2:

Avigya from GD Goenka , Sitapur
Class : Class 5

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ABHINAV SINGH from EURO INTERNATIONAL SCHOOL SECTOR 10, Gurgaon
Subject :IMO    Class : Class 3

Ans 1:

sanju bhagat from ,
Class : Class 3
B

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