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Two numbers are in ratio 5:6 if 8 is subtracted from each if the number the ratio become 4:5 find the number

Posted by Paridhi Agrawal 7 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

#Aditi~ Angel???? 7 years, 7 months ago

Where is phone no virat

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Virat Thakur 7 years, 7 months ago

Let the two no be x and y therefore x / y = 5 / 6 6 * x = 5 * y 6 * x - 5 * y = 0 * 5 30 * x - 25 * y = 0 ..................(i) also (x - 8)/(y - 8) = 4 / 5 5 * x - 40 = 4 * y - 32 5 * x - 4 * y - 8 = 0 *6 30 * x - 24 * y - 48 = 0 .....................(ii) subtracting (i) from (ii) y - 48 = 0 y = 48 putting y = 48 in x/y = 5/6 x/48 = 5/6 x = 5 * 48 / 6 x = 5 * 8 x = 40 therefore the two numbers are 40 and 48. Ans.. (Any problem so contact me)???

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CBSE > Class 10 > Mathematics