এক ব্যক্তি তার স্ত্রীর চেয়ে ৩ বছরের বড় এবং তার স্ত্রীর বয়স তাদের ছেলের বয়সের ৪ গুণ। ৪ বছর পর ছেলের..

এক ব্যক্তি তার স্ত্রীর চেয়ে ৩ বছরের বড় এবং তার স্ত্রীর বয়স তাদের ছেলের বয়সের ৪ গুণ। ৪ বছর পর ছেলের বয়স ১২ বছর হলে লোকটির বর্তমান বয়স কত?[R&H-2006]
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