International Maths Olympiad Forum By SOF Olympiad Trainer - Page 816
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khushboo from DPS, New Delhi
Subject :IMO    Class : Class 2

Ans 1:

Madhurya Ahuja from The Modern School , NCR
Class : Class 10
48

Ans 2:

Yash from Amanora School, Pune
Class : Class 4
D. 48

Ans 3:

Manya from DPS , noida
Class : Class 10
B. 5x6

Ans 4:

khushboo from DPS, New Delhi
Class : Class 3
0

Ans 5:

RasleenTomar from DPS International School, Singapore
Class : Class 2
48

Ans 6:

Madhurya Ahuja from The Modern School , NCR
Class : Class 10
39

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khushboo from DPS, New Delhi
Subject :IMO    Class : Class 3

Ans 1:

suchir from dehli public school miyapur, Hyderabad
Class : Class 6
981

Ans 2:

Kirti Dwivedi from DR AMIN, Vadodara
Class : Class 5
C

Ans 3:

Tanvi from New Horizon Public School, Bengaluru
Class : Class 3
C- 981

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khushboo from DPS, New Delhi
Subject :IMO    Class : Class 3

Ans 1:

khushboo from DPS, New Delhi
Class : Class 3
0

Ans 2:

Kirti Dwivedi from DR AMIN, Vadodara
Class : Class 5
D

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khushboo from DPS, New Delhi
Subject :IMO    Class : Class 4

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Shweta Basu from Amity international School, Gurgaon
Subject :IMO    Class : Class 7
15

Ans 1:

Harshita Kumari from St. Joseph's Convent High School, Patna
Class : Class 7
Average=sum of the no. ÷ no. of numbers....11+12+13+14+x=13÷5,50+x÷5=13,50+x=13×5,50+x=65,x=65-50=15......answer = 15

Ans 2:

G. Priyanka from Chennai Public School, Chennai
Class : Class 8
15. 11+12+13+14+x/5 = 13 11+12+13+14+x = 65 50+x = 65 x= 65-50 x = 15 as simple as that

Ans 3:

Tejas Shende from Kendriya Vidyalaya, IIT Campus, Powai, Mumbai, Mumbai
Class : Class 8
15

Ans 4:

Manan Khandelwal from Podar International School, CIE, Nerul, Navi Mumbai, Maharashtra,(400706) , Mumbai
Class : Class 7
Most probably 15

Ans 5:

ACHYUT SINGH from DELHI PUBLIC SCHOOL MANDLA ROAD , Jabalpur
Class : Class 9
(11+12+13+14+x)DIVIDED BY 5 = 13 (55+x)/5=13 55+x=13x5 55+x=65 x=65-55 x=15 therefore,the value of x is 15.

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