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Let present age of father and son be 8x and 5x respectively. According to question, => (8x – 3) (5x – 3) = 45 × (5x – 3) => (8x – 3) = 45 => 8x = 48 => x = 6 Therefore, son’s age 4 years ago = (5x – 4) = 26 years
The savings of Arun and Bhaskar are same. The difference between the expenditure of Bhaskar and the savings of both Arun and Bhaskar together is 0. The ...
A and B enter into partnership. A invests some money at beginning, B invests thrice the amount after 6 months and C invests double the amount after 3 mo...
Out of their respective monthly salaries, Soma spends 7/8 and Tina spends 4/5 on various expenses. The salary remaining with Tina after the expenses is ...
‘A’ started a business with the investment of Rs. 12000. After ‘x’ months and after 3 months from starting ‘B’ and &...
Three persons A, B and C invested different amounts in a business, which are in A.P. The amount invested by B is Rs. 1000 more than that of A. C investe...
‘M’ started a business with an investment of Rs. 3000. After 8 months ‘N’ joins the business with an investment of Rs. 2500. If the total profit...
A and B entered into a partnership and invested their respective amounts in ratio of 2: 1. C and D entered into another partnership with initial investm...
A, B and C invested in a business in the ratio 6:8:9. If B invested for a period whose numerical value is 112.5% of B’s investment but A and C inv...
A and B started a business by investing Rs.450 and Rs.550 respectively. After 8 months, A increased his investment by Rs.850. Find the ratio of annual p...
A, B, and C start a business with investments of ₹12,000, ₹18,000, and ₹24,000 respectively. After 6 months, A withdraws ₹6,000, B adds ₹6,000...
