International Maths Olympiad Forum By SOF Olympiad Trainer - Page 787
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mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

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mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

Post Your Answer

mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

Post Your Answer

mamta from army public school, ramgarh
Subject :IMO    Class : Class 7

Ans 1: (Master Answer)

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

Post Your Answer

kamakshi garg from venkateshwar global school, New Delhi
Subject :IMO    Class : Class 6

Ans 1:

surya pratap mishra from central school, jajpur town, odisha-755007, Jajpur Town
Class : Class 6
answer is D because maximum water that cant be consumed is 4:1 but in the options all the ratios have more quantity of water

Ans 2:

Pravir Mishra from National Public School, Bengaluru
Class : Class 8
of coure its not its written that maximum water is only 1 part in the ratio. in the options all the parts for water are more than 1, so its none of these Pravir

Ans 3:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7

Ans 4:

nabendu kumar mohakud from dav public school chandrasekharpur, Bhubaneswar
Class : Class 6
can anyone explain please

Ans 5:

Mohinder singh from Sacred heart convent school, Ludhiana
Class : Class 7
Can u make me understand the question, Please?

Ans 6:

Nisarg Milan Salot from Narayana E-Techno School, Mumbai
Class : Class 8

Ans 7:

Vidit bohra from Campion , Mumbai
Class : Class 6
KThe question itself is not clear at all

Ans 8:

Abhjith S Kumar from Airport Senior Secondary school Karipur, Kozhikode Intl. Airport, Kozhikode Airport
Class : Class 9
Please make the question clear cut.

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Arindam Manoj Phukon from Delhi Public School, ONGC NAZIRA, Sivasagar , Assam
Subject :IMO    Class : Class 4

Ans 1:

Udayan Sindhu Chaudhuri from Bluebells School International , New Delhi
Class : Class 9
c)36 seconds

Ans 2:

Apoorva from Blue Ridge Public School, Pune
Class : Class 8
36 sec

Ans 3:

Kanjani Ghonge from Ira Global School, Dombivli
Class : Class 8
36 SECONDS

Ans 4:

ASHIM SARKAR from ,
Class : Class 4
36

Ans 5:

Darsh Jain from Advanced Academy, Indore
Class : Class 5
Ball A rotates in 6 seconds, ball B in 9 seconds and ball C in 12 seconds. So we have to take out the LCM of the three numbers. LCM = 36. So the answer is 36 seconds.

Ans 6:

Darsh Jain from Advanced Academy, Indore
Class : Class 5
Ball A rotates in 6 seconds, ball B in 9 seconds and ball C in 12 seconds. So we have to take out the LCM of the three numbers. LCM = 36. So the answer is 36 seconds.

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Rishit Sharma from Nehru World School, Ghaziabad
Subject :IMO    Class : Class 6

Ans 1:

Diya from delhi public school dlf phase-2, GURUGRAM
Class : Class 6

Ans 2: (Master Answer)

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

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Rishit Sharma from Nehru World School, Ghaziabad
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

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

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Rishit Sharma from Nehru World School, Ghaziabad
Subject :IMO    Class : Class 6

Ans 1:

Chaitanya L K from SKCHEC, bangalore
Class : Class 8
ans. is D. when all the given numbers [16,34,75,21,13] are multiplied,we get 1,11,38,400.this number is ending with two zeros.if this number must end with six zeros,there must be four more zeros.to achieve this,we multiply 1,11,38,400 by 10,000.

Ans 2:

Budhanath Panda from chinmaya vidyalaya therubali, Rayagada
Class : Class 6
plz give solution

Ans 3:

Tejas Bhosale from The somaiya School, Mumbai
Class : Class 5
whats the simple solution? do we have to multiply all the numbers?

Ans 4:

Sayandeep Basu from Delhi Public School, Bengaluru
Class : Class 6

Ans 5:

sachinthite@rocketmail.com from Sinhghad Public School Korti, Pandharpur
Class : Class 4
to chaitanya LK

Ans 6:

Anish Singh from Podar World School , Vadodara
Class : Class 7

Ans 7:

sachinthite@rocketmail.com from Sinhghad Public School Korti, Pandharpur
Class : Class 4
gone mad or what !!!!!! read question carefully i,m more reading questioncarefully

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Rishit Sharma from Nehru World School, Ghaziabad
Subject :IMO    Class : Class 6

Ans 1:

Admin from SOF, Noida
Class : Class 10
Answer: B
We have corrected the answer. Thanks for pointing out.

Solution
Perimeter of small square = 12 cm
Perimeter of big square = 18 cm
LCM of 12 and 18 = 36

Ans 2:

Pravir Mishra from National Public School, Bengaluru
Class : Class 8
its 36 As the ant which walks around the square covers 12 cm in one round and the ant which walks around the rectangle covers 18 cm in one round. To find out when they will meet you can take the LCM of the distance they cover in one round. it is 36 so they will meet after both the ants cover 36 cm. Pravir

Ans 3:

Pravir Mishra from National Public School, Bengaluru
Class : Class 8
its 36 As the ant which walks around the square covers 12 cm in one round and the ant which walks around the rectangle covers 18 cm in one round. To find out when they will meet you can take the LCM of the distance they cover in one round. it is 36 so they will meet after both the ants cover 36 cm. Pravir

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