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Ayush Rana from Kv no2 delhi cantt, delhi
Subject :IMO    Class : Class 3

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Saurabh from Global Indian international school, Singapore
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 Aravali International School , Sec- 43, Faridabad , Faridabad
Subject :IMO    Class : Class 4

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anchal srivastav from dwps noida extension, Noida
Subject :IMO    Class : Class 6

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Saurabh from Global Indian international school, Singapore
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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madhu from sanskriti, new delhi
Subject :IMO    Class : Class 7

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Gauri Singh from St Johns School Marhauli, Varanasi
Class : Class 7
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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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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