International Maths Olympiad Forum By SOF Olympiad Trainer - Page 393
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ADITYA from ODM PUBLIC SCHOOL, Bhubaneswar
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1
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SiruAvu from Auckland house, Shimla
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):

74 x 43 = 3182
Now, 
A) 70 x 43 + 4 x 43 = 3182
B) 69 x 43 + 5 x 43 = 3182
C) 72 x 43 + 2 x 43 = 3182
D) 72 x 43 x 2 = 6192
Therefore, 74 x 43 is not equal to 72 x 43 x 2.


Ans 2:

PURAV KHANDELWAL from TIME SCHOOL, HYDERABAD
Class : Class 4

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Nikhil Bewal from APS KIRKEE, PUNE
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): 


Ans 2:

Yashasvi Sharan from St. Lawrence International School, KALYAN
Class : Class 6

Ans 3:

pradeep718 from DPS Internation, Singapore
Class : Class 2

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Elisha Kannojia from Delhi Public School, Noida
Subject :IMO    Class : Class 4

Ans 1:

Pia parekh from NPS International, Singapore
Class : Class 7
correct answer is B

Ans 2:

Rayansh Mishra from VIBGYOR HIGH MAGARPATTA, Pune
Class : Class 8
answer ha b not a you must have took the 8 in the position of 6 like I did by mistake check again please retry and concentratethats it

Ans 3:

LAVANYA DADHWAL from BLOOM PUBLIC SCHOOL, South West Delhi
Class : Class 8
B

Ans 4:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7

Ans 5:

Manish Saruparia from NPS Singapore, Singapore
Class : Class 2
Yes the answer is B Because P=1,Q=6 so 1 6=7

Ans 6:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6
(B):Here,P=1,Q=6,R=2So,P Q-R=1 6-2=5

Ans 7:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6
(B):Here, P=1, Q=6,R=2So, P Q-R=16-2=5

Ans 8:

AARNA GOEL from UPTON SCHOOL, ENGLAND
Class : Class 6

Ans 9:

Vaibhabi Debbarma from HOLY CROSS SCHOOL AGARTALA, AGARTALA
Class : Class 6

Ans 10:

Shobhon Prusty from The PSBB Millennium School, Chennai
Class : Class 4
this question is wrong the correct answer is A

Ans 11: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):

Here, P = 1, Q = 6, R = 2
So, P + Q – R = 1 + 6 – 2 = 5


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Kavitharini Joseph from HUS, Chennai
Subject :IMO    Class : Class 6

Ans 1:

Sheersh sharma from DPS, NOIDA
Class : Class 9

Ans 2:

Sharanyaa Tripathi from Uttam school for girls, Ghaziabad
Class : Class 8

Ans 3:

Sarang Shete from Amanora School, Pune
Class : Class 8

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): After replacing the signs, the given equation becomes,
5 - 16 ÷ 4 + 20 × 40
= 5 - 4 + 20 × 40 = 5 - 4 + 800 = 801


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student from school, city
Subject :IMO    Class : Class 7

Ans 1:

student from school, city
Class : Class 10

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Kush Bindal from GIIS , SINGAPORE
Subject :IMO    Class : Class 6

Ans 1:

Pankaj Rajput from RBK GLOBAL SCHOOL, THANE
Class : Class 4
option c is correct

Ans 2:

Saidutta Sidhesh S M from RN PODAR, Mumbai
Class : Class 10

Ans 3:

Vatsala Saraswat from Modern school , Noida
Class : Class 7

Ans 4:

Shashwat Amit from ,
Class : Class 6
Option b is correct

Ans 5: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

Option (C) is correct.


Ans 6:

Anirudh Rayasam from DPS East, Bangalore
Class : Class 7
-3 3=00 is neither positive nor negative

Ans 7:

Navya from Gyanshree, Noida
Class : Class 6
The admin is right, the answer is option C if you apply common sense, which you all don't.

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Shreyas Joshi from New Horizon Public School, Bengaluru
Subject :IMO    Class : Class 6

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D): –3 > –5, since –5 lies on the left side of –3 in the number line.


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Asmi Raniga from Indian school Ghubra, Muscat
Subject :IMO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C):

After rearranging the figure, we get

 


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Bhavyajyothy AjayaKumar from Sadbhavana World School, Kozhikode
Subject :IMO    Class : Class 2

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):


There are two shapes with 5 sides and two shapes with 6 sides.

 


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