International Maths Olympiad Forum By SOF Olympiad Trainer - Page 347
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oviya from Delhi Private School Sharjah, sharjah
Subject :IMO    Class : Class 4

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Saksham Chanani from Sri Sri Academy, Kolkata
Subject :IMO    Class : Class 4

Ans 1:

from ,
Class :
15 rectangles = 24 min 25 sec 15x2 = 30 30 rectangles = 2x 24 min 25 sec = 48 min 50 sec.

Ans 2:

uday from NPS, SINGAPORE
Class : Class 4
A

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Mihishkaa from PSBBLLA, Bangalore
Subject :IMO    Class : Class 5

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Saksham Chanani from Sri Sri Academy, Kolkata
Subject :IMO    Class : Class 4

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):   Perimeter of rectangular field = 2 ( 25 + 12 ) = 2 x 37 = 74 m
Total distance Pranav jogged = 74 x 9/2 = 333 m


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Aarav sugla from Niraj International School , Secunderabad
Subject :IMO    Class : Class 5

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Jiya kirori from DPS International Edge School, Gurgaon
Subject :IMO    Class : Class 7

Ans 1:

Tanmayee from Cambridge , Bengaluru
Class : Class 8
c 36 explanation ------ 1:4 9:16 sooooooo 4:9:16 4x+9x+16x = 116 29x =116 x = 116/29 x = 4 the second number is 9x that is 9*4=36

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Anirudh from 989820Delhi Pubic school Rohini , Delhi
Subject :IMO    Class : Class 8

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Kanav Arora from Maharaja Sawai Bhawani Singh, Jaipur
Class : Class 8

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(C): Performance of student A during the year = Total marks of student A
= 50 + 75 + 60 + 70 + 80 = 335
Performance of student B during the year = Total marks of student B
= 60 + 85 + 75 + 60 + 65 = 345
∴ Performance of student B is better during the year.


Ans 3:

ANIKA SHUKLA from UDGAM SCHOOL FOR CHILDREN, AHMEDABAD
Class : Class 10

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Amal Amzath Ali from jss international school, dubai
Subject :IMO    Class : Class 5

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Dhwani Tiwari from Bhandari Public school , Khandwa
Subject :IMO    Class : Class 8

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):  Let required number of days be y . 
2 × 5 × 12 = y × 4 × 2
⇒ 120 = 8y 
So, y = 15 days


Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(B):  Let required number of days be y . 
2 × 5 × 12 = y × 4 × 2
⇒ 120 = 8y 
So, y = 15 days


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Harsh from C. B. R. Modern Sr. Sec. School, Rewari
Subject :IMO    Class : Class 8

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