International Maths Olympiad Forum By SOF Olympiad Trainer - Page 522
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Swapnil Ganguly from Salt Lake School , Kolkata
Subject :IMO    Class : Class 9

Ans 1:

Gauransh Gupta from Manavsthali School R-block, NEW DELHI
Class : Class 5

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is A.

Given a right angled ΔABC,
where AB = AC and CD is the bisector of ∠C. 
 


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Kushagra Gupta from Manav Rachna, Faridabad
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is D.


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Seshasayee sudharsan from PSBB Learning Leadership Academy, Bangalore
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

In mathematics, 'e' is a constant that is the base of the natural logarithm. It is the unique number whose natural logarithm is equal to one and its value is approximately 2.71828.


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AARAV GUPTA from Khaitan Public School, Ghaziabad
Subject :IMO    Class : Class 3

Ans 1:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
You have not told that once a person has done handshake with the other people , his /her handshake will not be taken again.

Ans 2:

Vedant Chhabra from Blue Ridge Public School , Pune
Class : Class 5

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is C.

Handshakes by the first child = 6 (with remaining 6 children)

Handshakes by the second child = 5 (as the handshake with the first child is already counted)

Then, handshakes by the third child = 4 (as the handshakes with the first and second child are already counted)

Similarly, handshakes by the fourth, fifth and sixth child are 3, 2 and 1 respectively.

Since, the last child's handshakes are already counted, he/she will not make any new handshakes.

Therefore, a total of (6 +5 +4 + 3 + 2 + 1) = 21 handshakes took place.


Ans 4:

Vedant Chhabra from Blue Ridge Public School , Pune
Class : Class 5

Ans 5:

Advika Narkar from The Shishukunj International School, Jhalaria Campus, Indore
Class : Class 7
No answer is C admin is right

Ans 6:

Yatharth from DPS, VADODARA
Class : Class 4

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Parth Thakkar from Mount Literal Zee School, Ahmedabad
Subject :IMO    Class : Class 6

Ans 1:

Parth Thakkar from Mount Literal Zee School, Ahmedabad
Class : Class 9
The answer is option B but you have typed 30000 but the answer is written is 3000

Ans 2:

Pisal Dhruv from Veer Bhagat Singh International School, Mumbai
Class : Class 7
then the question turns to 2x(5x20x15) =30000, hence B is the correct answer

Ans 3:

ARKA ALOK GANGOPAADHYAY from GARDEN HIGH SCHOOL , KOLKATA
Class : Class 7
Answer is B

Ans 4:

akshanjaswal from Modern Delhi International School, Faridabad
Class : Class 10
2X(5X20X15) =3000, so B is the answer

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Sourav Jena from ODM public school , BHUBANESWAR
Subject :IMO    Class : Class 5

Ans 1:

Seshasayee sudharsan from PSBB Learning Leadership Academy, Bangalore
Class : Class 6
Please I want to tell something the spelling is wrong of genius

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Sourav Jena from ODM public school , BHUBANESWAR
Subject :IMO    Class : Class 5

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bhavika from DPS NOIDA, NOIDA
Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Here the correct answer is C.

No. of legs in 1 spider = 8

No. of legs Lakshay will see =  8 (No. of legs in 1 spider)  X  3 (No. of spiders) = 24


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R K Madhav from Kendriya Vidhyalaya Kottayam, Kottayam
Subject :IMO    Class : Class 6

Ans 1:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
where is Kottayam

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R K Madhav from Kendriya Vidhyalaya Kottayam, Kottayam
Subject :IMO    Class : Class 6

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