find the largest number dividing 230 and 142 and leaving remainder 5 and 7 respectively
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To find The largest number which divides 230 and 142 leaving remainders 5 and 7 respectively
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HCF(230-5) & HCF(142-7) ie HCF(225,135)
225 —— 5 x5x3x3
135 ——- 5 x3x3x3
HCF=5x3x3=45
Therefore the greatest no dividing 230 and 142 is 45
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