कथन: A और B की वर्तमान आयु का योग 90 वर्ष है। पांच वर्ष पहले, A की आयु B की आयु की तीन गुनी थी। यदि A की वर्तमान आयु x है, तो पांच वर्ष पहले A और B की आयु क्रमशः (x - 5) वर्ष और (85 - x) वर्ष थी। निर्धारित करें कि यह कथन सत्य है या असत्य।

At the time of marriage, a man was 6 years older than his wife. 12 years after the marriage, his age became 65 times the age of his wife. What were their ages (in years) at the time of marriage?

The total age of father and son at present is 40 years. After 16 years, the age of the father will be twice the age of his son. What is the present age of the son?