International Maths Olympiad Forum By SOF Olympiad Trainer - Page 602
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Vedanth S from Kumarans Childrens Academy, Bangalore
Subject :IMO    Class : Class 5

Ans 1:

Ashwak from Cambridge, Jalandhar
Class : Class 9
I also know that the correct answer is A

Ans 2:

ARUNAV from DPS VINDHYANAGAR, VINDHYANAGAR
Class : Class 10
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 3:

Kaira Bhargava from DPS BANGALORE EAST, Bengaluru
Class : Class 5
Answer is not correct.(N) M (N) R (N) Q -> eldest to youngest (left to right)N can be at any these positions.So correct answer is data inadequate.

Ans 4:

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

Ans 5:

Harish Kumar from SPDS , PANRUTI
Class : Class 7
NO HARISH

Ans 6:

Moksha Shah from DPS, Ahmedabad
Class : Class 5

Ans 7:

Soumyaraj Roy from Kendriya Vidyalaya , Thiruvananthapuram
Class : Class 7

Ans 8:

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

Ans 9:

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

Ans 10:

Soumyajit Das from Hariyana Vidya Mandir, NORTH 24 PARGANAS
Class : Class 8
I agree with ARUNAV

Ans 11: (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.


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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: (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.


Ans 3:

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

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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
a

Ans 2:

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

Ans 3:

Agastya Tripathi from dps gurgaon, Gurgaon
Class : Class 4

Ans 4:

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 5:

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

Ans 6:

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

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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

Ans 4:

SAMRUDHI from Sai International School, Bhubaneswar
Class : Class 6
C

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

Ans 1:

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 2:

anya singhal from greenwoohigh international , bangalore
Class : Class 5

Ans 3:

anya singhal from greenwoohigh international , bangalore
Class : Class 5

Ans 4:

KARTIK SHINDE from Delhi Public school Rau Indore , indore
Class : Class 4

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jj from DELHI PUBLIC SCHOOL, HYDERABAD
Subject :IMO    Class : Class 3

Ans 1:

Aum from Gajera vidhyabhavan, Gajera circel
Class : Class 3
B

Ans 2:

Navami V PolicePatil from Surabhi Vidyaniketan, Hospete
Class : Class 5
D

Ans 3:

saptak de from Jhargram Lions Model School - High, jharrgram
Class : Class 6
Answer is (D)

Ans 4:

Kashika Goel from DPS Noida, Noida
Class : Class 7

Ans 5:

nitya arora from Maurya Girls School, Gurgaon
Class : Class 3
D

Ans 6:

saptak de from Jhargram Lions Model School - High, jharrgram
Class : Class 6
Answer is (D)

Ans 7:

Navami V PolicePatil from Surabhi Vidyaniketan, Hospete
Class : Class 5
D

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Bhavya Patidar from Mount Literally Zee School Indore MP India , Indore MP India
Subject :IMO    Class : Class 6

Ans 1:

Manvi Mundepi from Montfort School Roorkee, Roorkee
Class : Class 9
-200+-600+900 =[-200-600] +900 =[-800]+900 =900-800 100 THE ANSWER IS 100

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Adhrit Das Purkayastha from inventure academy, Bengaluru
Subject :IMO    Class : Class 1

Ans 1:

Adhrit Das Purkayastha from inventure academy, Bengaluru
Class : Class 1

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Vincy Mohnani from centre point school katol road, nagpur
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The missing number is 1164.

Here, 1164 ÷ 3 - 14 * 2 + 12 

= 388 - 14 * 2 + 12 

= 388 -28 + 12

= 400 - 28

= 372


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