International Maths Olympiad Forum By SOF Olympiad Trainer - Page 211
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Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Subject :IMO    Class : Class 6

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Laranya Lalchandani from Delhi Public School Sec-45, Gurgaon
Subject :IMO    Class : Class 4

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Laranya Lalchandani from Delhi Public School Sec-45, Gurgaon
Subject :IMO    Class : Class 4

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Navya Vats from Saint Xavier High School, Noida Extension
Subject :IMO    Class : Class 4

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dveep jain from mindful gurukul, Mumbai
Class : Class 4
Answer is c

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Aarav Srivastav from DWPS , Noida Extension
Subject :IMO    Class : Class 6

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Can I get Rank 35 darryl from Global Indian international school, Brawl stars
Subject :IMO    Class : Class 6

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SAJAL SAROJ LAHKAR from SHRIMANTA SHANKAR ACADEMY, GUWAHATI
Subject :IMO    Class : Class 6

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Nila Pillai from Chennai public School, Chennai
Class : Class 6

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madhu from sanskriti, new delhi
Subject :IMO    Class : Class 7

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Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 8
Let the initial numbers be x, then 5:3 becomes 5x/3x. then, 5x-10 divided by 3x-10 equals 5x divided by 7x. so the equation becomes: 7 (5x-10) = 5(3x-10). solve it and you get x=1 Therefore the sum of 5:3 is 8.

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Swarnava Pal from Vivekananda Mission School, Haldia
Subject :IMO    Class : Class 5

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SK MAJID ALI from Bharati Vidyapeeth Sec. & Sr, Sec.English Medium School, Pune
Class : Class 3
3/20*x -15 = x/5 solve by taking 1cm ans 300

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Aniket from delhi public school, Bokaro
Class : Class 5
3/20*x -15 = x/5 solve by taking lcm ans 300

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Akshat Jain from Delhi Public School, Greater Noida
Subject :IMO    Class : Class 6

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Tejas Arun Damkondwar from PIS Nanded, Nanded
Class : Class 7
ans is wrong

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