International Maths Olympiad Forum By SOF Olympiad Trainer - Page 460
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tanmay shinde from Delhi Public school Rau Indore , indore
Subject :IMO    Class : Class 3

Ans 1:

Sun from PSBB , Chennai
Class : Class 8
Answer c cause there are four balls in each and 45 +45 =90,90/6=15

Ans 2:

Shiven Dinkar from DPS NOIDA Sector 30, Delhi
Class : Class 4
15 kg

Ans 3:

Niranjhan Rajeshkumar from Deens Academy, Whitefield, Bengaluru
Class : Class 6
answer-15

Ans 4:

Abhyudaya from lucknow public school, madhoganj
Class : Class 3
15kg

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tanmay shinde from Delhi Public school Rau Indore , indore
Subject :IMO    Class : Class 3

Ans 1:

Prasanna Hegde from Vibgyor High Horomavu, BENGALURU
Class : Class 5
B

Ans 2:

Daksh Chanani from Sri Sri academy, HOWRAH
Class : Class 5
B IS THE ANSWER

Ans 3:

Kashika from DPS Noida, Noida
Class : Class 4

Ans 4:

Advika Narkar from VIBGYOR High Airoli, Navi Mumbai
Class : Class 5
B B B We say B Do you agree To our answer B?

Ans 5:

Agrima from bbps, Bhiwadi
Class : Class 2

Ans 6:

Ishika Sahay from HFS International, Mumbai
Class : Class 3

Ans 7:

Shiven Dinkar from DPS NOIDA Sector 30, Delhi
Class : Class 4
8 is the answer because 80 multiplied by 8 is =640 Answer from dear Shiven Dinkar

Ans 8:

Bhumanyu Bora from Delhi Public School, Duliajan
Class : Class 5
yeah 8 is the answer

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Owi shamsundar bartakke from Shrimant maisaheb bavdekar academy, Kolhapur
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B.


Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B.


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Harleen Singh from Green Acres Academy, Mumbai
Subject :IMO    Class : Class 5

Ans 1:

Shuvangi Das from Vivekananda mission school, haldia
Class : Class 8
What a stupid master!

Ans 2:

krishneil from Elpro international school, Pune
Class : Class 6
correct answer is B

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is C.

Perimeter of each square = 32 cm 
⇒ 4 × side of square = 32 cm 
⇒ Side of square = (32 ÷ 4) cm = 8 cm 
∴ Perimeter of the figure = 10 × 8 = 80 cm


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Vedanth S from Kumarans Childrens Academy, Bangalore
Subject :IMO    Class : Class 5

Ans 1:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
Data inadequate .

Ans 2:

Moksha Shah from DPS, Ahmedabad
Class : Class 5

Ans 3:

Soumyajit Das from Hariyana Vidya Mandir, NORTH 24 PARGANAS
Class : Class 5
I agree with ARUNAV

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 7
I also know that the correct answer is A

Ans 5:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 6:

Harish Kumar from SPDS , PANRUTI
Class : Class 5
NO HARISH

Ans 7: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is A.

The order from eldest to youngest is 
M, N or R, Q 
So, M is the eldest.


Ans 8:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7
There is no correct info about N .

Ans 9:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 8
the data is inadequate becuse n can be greater or smaller than m because it is mentioned only that n is not as old as m and also it is not mentioned relationship between r ad n

Ans 10:

Shrish from NPS , Chennai
Class : Class 10
the answer can be 'c' as there is not enough info on 'r'

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Parth patil from Podar international school, Aurangabad
Subject :IMO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The answer is B


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Rs from DPS, Delhi
Subject :IMO    Class : Class 4

Ans 1:

Smita Desai from GOKULDHAM HIGHSCHOOL , MUMBAI
Class : Class 4
Master answer

Ans 2:

Smita Desai from GOKULDHAM HIGHSCHOOL , MUMBAI
Class : Class 4
Quantity of flour Beena had =4 kg = 4000 g. Quantity of flour used to bake cake = 3 kg 60 g = 3060 gQuantity of flour left with Beena = 4000 -3060 = 940 gHence the correct answer is Option B

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is B.

Quantity of flour Beena had = 4 kg = 4000 g 
Quantity of flour used to bake cake = 3 kg 60 g = 3060 g 
Quantity of flour left with Beena = 4000 – 3060 = 940 g 
Hence, the right answer is Option B.


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Hritvi from Podar International School, Mumbai
Subject :IMO    Class : Class 6

Ans 1:

Daksh from Greenwood High, Bengaluru
Class : Class 7
A is cooler than B

Ans 2:

Hritvi from Podar International School, Mumbai
Class : Class 7
since, (-4) lies left to (-1) on a number line.so, -4< -1.: A is cooler than B

Ans 3:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 9

Ans 4:

Aadvik saini from Mvn sector 17, Faridabad
Class : Class 8
a

Ans 5:

HIMANEESH SINGH from BLOOM PUBLIC SCHOOL, NEW DELHI
Class : Class 6
Option a. A is cooler than B because if you draw a number line,-4 is less than -1. When we go to the left it is decreasing and when it goes to right, it is ascending. Regards, class 6 boy Can't tell my name.

Ans 6:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 9
a

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Hritvi from Podar International School, Mumbai
Subject :IMO    Class : Class 6

Ans 1:

Preeti tanwar from DON BOSCO ACADEMY, Patna
Class : Class 9
c

Ans 2:

Pranit Sinha from Montfort School, Roorkee, Haridwar
Class : Class 6
If we take a as 4 and b as 2, then according to communicative property, 4-2=2 but 2-4=-2 so 2 and -2 are not equal but, if we take a as 4 and b as 4, then it will be 4-4=0 and 4-4=0. Thus, a should be = b

Ans 3:

Kshitij rahatgaonkar from atomic energy central school no 4, Mumbai
Class : Class 6
EASY

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Nivin from Euro school, BANGALORE
Subject :IMO    Class : Class 6

Ans 1:

tanmay shinde from Delhi Public school Rau Indore , indore
Class : Class 5

Ans 2:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
THE ANSWER SHOULD BE 81 BECAUSE,SQUARE OF 9=9*9[NINE MULTIPLY BY NINE] HENCE THE ANSWER IS EIGHTY ONE.

Ans 3:

anya singhal from greenwoohigh international , bangalore
Class : Class 5

Ans 4:

anya singhal from greenwoohigh international , bangalore
Class : Class 5

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