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Father is aged 3times more than his son Ronit. After 8years, he would be two and a half times of Roni's age. After further 8years,how many times would he be of Ronit's age?

Father is aged 3times more than his son Ronit. After 8years, he would be two and a half times of Roni's age. After further 8years,how many times would he be of Ronit's age? Correct Answer 2times

ব্যাখাঃ ধরি, পুত্রের বয়স = ক বছর পিতার বয়স = ক + ৩ক = ৪ক বছর প্রশ্নমতে, ( ক + ৮) ২.৫ = ৪ক + ৮ বা, ২.৫ ক + ২০ = ৪ক + ৮ বা, ১.৫ ক = ১২ ক = ১২/১.৫ = ৮ ৮ বছর পর পুত্রের বয়স = ৮ + ৮ = ১৬ বছর ৮ বছর পর পিতার বয়স = ( ৪×৮) + ৮ = ৪০ বছর আবারও, ৮ বছর পরে পুত্রের বয়স = ১৬ + ৮ = ২৪ বছর ৮ বছর পর পিতার বয়স = ৪০ + ৮ = ৪৮ বছর সুতরাং, পিতার বয়স পুত্রের বয়সের দ্বিগুন।

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