International Maths Olympiad Forum By SOF Olympiad Trainer - Page 355
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Pratheek from Null, Null
Subject :IMO    Class : Class 6

Ans 1:

KUMARI ARYA from sarvottam international school, greater noida
Class : Class 4
THE ANSWER IS (B) AS GIVEN IN THE QUESTION IS 61*82 IS DIVISIBLE BY 11 AS WE KNOW THAT WHEN THE DIFFERENCE BETWEEN THE SUM OF DIGITS IN EVEN AND ODD PLACES IS 0 OR A MULTIPLE OF 11 SO THE MINIMUM VALUE OF * SHOULD BE 1 AS 6 + 1 + 2 = 9 AND 1 + 8 = 9 AND 9 - 9 = 0 HENCE ,IT IS DIVISIBLE BY 11

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Vaibhav Elisetti from sri chaitanya techno school Nallagandla, Hyderabad
Subject :IMO    Class : Class 5

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Vaibhav Elisetti from sri chaitanya techno school Nallagandla, Hyderabad
Subject :IMO    Class : Class 5

Ans 1:

Krishan V from Sri Chaitanya , Mangalore
Class : Class 5

Ans 2:

divish from Delhi Public School, gurgaon
Class : Class 5

Ans 3:

Gayatri Iyer from Sanskriti School, Pune
Class : Class 9
It is A

Ans 4:

Sushanth Buttagandla from Sentia, Hyderabad
Class : Class 10

Ans 5:

Krishan V from Sri Chaitanya , Mangalore
Class : Class 5

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Sanjana Reddy Maila from Akshara International school LB Nagar Hyderabad, Hyderabad
Subject :IMO    Class : Class 6

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ashwath from Vikas the concept school, Hyderabad
Subject :IMO    Class : Class 8

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Devesh Agrawal from Bhartiya Vidhya Bhavan, Hyderabad
Subject :IMO    Class : Class 6

Ans 1:

Daksh Chanani from Sri Sri academy, Kolkata
Class : Class 7

Ans 2:

Sanay Pathak from Hooghly, Hooghly
Class : Class 5
But what about IC. You will not get 99 then, so option C is correct. SOF Olympiad Trainer mistake

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Priyamvada kashyap from St.george's school, alaknanda., New Delhi
Subject :IMO    Class : Class 7

Ans 1:

AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Class : Class 10
IS ANSWER C 76%. TELL THEN I WILL TELL YOU THE SOLUTION.

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ISHAAN SAHA from st xavier school, hazaribag
Subject :IMO    Class : Class 3

Ans 1:

Samriddhi Debnath from Garden High School, Kolkata
Class : Class 3
(B):Total number of equal parts =15 Number of unshaded parts =9 Unshaded fraction=9/15

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): Total number of equal parts = 15
Number of unshaded parts = 9
Unshaded  fraction = 9/15
 


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subhash chand from st mary' school, bijnor
Subject :IMO    Class : Class 9

Ans 1:

Mandavyapuram Jaswin Reddy from Narayana School, SRIKALAHASTI
Class : Class 10
The answer is 36,48,60.

Ans 2:

Mandavyapuram Jaswin Reddy from Narayana School, SRIKALAHASTI
Class : Class 10
The answer is 36,48,60.

Ans 3:

Krishna Atrey from DPS Kalali, Vadodara
Class : Class 9
solution please

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Aditri Dixit from TCIS, Bangalore
Subject :IMO    Class : Class 3

Ans 1:

Divit khandelwal from DPS bopal Ahmedabad , AHMEDABAD
Class : Class 3
ans d 9

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): 


Possible ways are
ABCDEFGH, ABCDJKGH, ABCDGH, ACDEFGH, ACDJKGH, ACDGH, AICDEFGH, AICDJKGH, AICDGH.
Total number of ways = 9.


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