International Maths Olympiad Forum By SOF Olympiad Trainer - Page 273
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SANJEEV VARSHNEY from Lotus valley international school, Noida
Subject :IMO    Class : Class 7

Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
One..

Ans 2:

from , NOIDA
Class : Class 6
It should be 2

Ans 3:

SOUVAGYA SAHA from De Nobili School, DHANBAD
Class : Class 9
the ans is 2i.e L and U.

Ans 4:

Aviral Goyal from DPS RKP, New Delhi
Class : Class 8

Ans 5:

Shourya Kumar from Delhi Public School Noida, Noida
Class : Class 9
no,as in M U E, u and e are vowel

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Sree Raga Sahithi Angara from Brahm prakash DAV School, Hyderabad
Subject :IMO    Class : Class 7

Ans 1:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Answer is c

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Manya from Amity, Noida
Subject :IMO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B): Total time travelled = 4 hrs 30 mins
Time spent  in reading = 2 hrs 20 mins
Time  spent in playing games = 4 hrs 30 mins - 2 hrs 20 mins = 2 hrs 10 mins


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Pranav Shagrithaya from NPS Yelahanka, Bengaluru
Subject :IMO    Class : Class 6

Match the following.

Column-I Column-II
(P) The first term of
a ratio is called		 (i) proportion
(Q) An equality of two
ratios is called		 (ii) antecedent
(R) A ratio whose terms
have no common factor other
than 1 is said to be
in the		 (iii) simplest form


A (P) → (ii); (Q) → (i); (R) → (iii)
B (P) → (i); (Q) → (iii); (R) → (ii)
C (P) → (iii); (Q) → (i); (R) → (ii)
D (P) → (ii); (Q) → (iii); (R) → (i)


Ans 1:

Arnesh Chakraborty from M P Birla Foundation Higher Secondary School, KOLKATA
Class : Class 6
this answer is wrrong.

Ans 2:

SITANSHU from SVKM SCHOOL, DHULE
Class : Class 6

Ans 3:

Haanish Haaranngga M P from Parampara Academy, Arakkonam
Class : Class 6

Ans 4:

shreyash rawat from podar international school, pune
Class : Class 8

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Shrimay from Cambridge, Aurangabad
Subject :IMO    Class : Class 9

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Kaustubh verma from CKC ACADEMY, Jhansi
Subject :IMO    Class : Class 7

Ans 1:

Sanjay jain from R n podar school, MUMBAI
Class : Class 7
sss

Ans 2:

Sanjay jain from R n podar school, MUMBAI
Class : Class 7
sss

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AISHA from K.V.No.-1,A.F.S.,SEC.-14, GURUGRAM
Subject :IMO    Class : Class 7

Ans 1:

Aarushi10 Kataria from Modern High School for Girls, kolkata
Class : Class 7

Ans 2:

Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Answer is 3:8. I would suggest you to assume the values of x and 6y (i assumed 2 and 24 respectively..). then calculate the area of rectangle(in my case 48 sq. cm).. then calculate the area of both triangles (i hope u can!) and find their ratio..

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Bhavtosh Tripathi from Maneckji Cooper Education Trust School, Mumbai
Subject :IMO    Class : Class 7

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Parth from Dlf public school, Sahibabad
Subject :IMO    Class : Class 6

Ans 1:

Sejal Mittal from dlf, ghaziabad
Class : Class 6

Ans 2:

Sejal Mittal from dlf, ghaziabad
Class : Class 6
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Arav Gupta from Delhi Public School Gurgaon, Gurgaon
Subject :IMO    Class : Class 3

Ans 1:

Gargi from DPS school north, Bangalore
Class : Class 4

Ans 2:

Ashlynn Bhatia from Modern Vidya Niketan Sr. Secondary School Sector - 17, FARIDABAD
Class : Class 3
This is a trick everybody should know- 456 tens = 4560 . most of the people don't understand this part . Now pay attention to this 456 - _______ = 2456 ( 4560 - _______ = 2456 )Now __________ = 4560 - 2456 . If we do the following subtraction sum, we shall find out the answer i . e. 2104 meaning 4560 - 2456 = 2104

Ans 3: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): 456 tens = 4560

Now, it is given that

4560 –  = 2456

∴  = 4560 – 2456    
∴  = 2104


Ans 4:

ayush kumar from dps noida, delhi
Class : Class 6
456 tens=4560-_=2456. You can find the answer by 4560-2456=2104.So the blank is =4560-2456=2104. This is the trick.

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