Question
In a family a couple has a son and a daughter. The age
of the father is four times that of his son and age of her daughter is half of her mother. The wife is twelve years younger to her husband and the sister is eight years older than her brother. What is the age of the father?Solution
Let the age of son be x Father’s age = 4x Wife’s age = 4x– 12 Daughter’s age = x + 8 According to question, Daughter’s age = 1/2 mother’s age (x+ 8) = 1/2 × (4x – 12) 2x + 16 = 4x – 12 2x = 28  x = 14 Father’s age = 4x = 4 × 14 = 56 years Wife’s age = 4x– 12 = 56 – 12 = 44 years Daughter’s age = 14 + 8 = 22 years
Meena and Rina started a business with Rs. 3500 and Rs. 2500 respectively. After 2 months, Tina joined with an investment of Rs. ‘x’. If Meena got R...
If a sum of money is to be divided among A, B, C such that A’s share is equal to thrice B’s share and B’s share is 4 times C’s share then their ...
Three individuals, S, V, and G, started a business together. S contributed 2/5 of the total investment, V contributed 4/7, and the remaining amount was ...
P, Q and R jointly invested in a business. Their initial investments were Rs. 3600, Rs. 4800 and Rs. ‘y’ respectively. If P and Q together received ...
In a business there are two partners ‘P’ and ‘Q’. ‘P’ started the business with the capital of Rs. 30000 and after 3 months ‘Q’ joined h...
A, B and C invested in partnership. A invest Rs.8000 for 6 months, B invests Rs.6000 for 4 months and C invests Rs.12000 for 3 months. C is working part...
A and S commenced a business with capitals of Rs. 15,000 and Rs. 13,500, respectively. After 9 months, they withdrew one third of their capital. Determi...
Three persons A, B and C invested different amounts in a business, which are in A.P. The amount invested by B is Rs. 2000 more than that of A. C investe...
Three friends A, B and C entered into partnership by investing Rs. 50X, Rs. (10X + 1250) and Rs. (7000 – 15X) respectively. The ratio of the time per...
A starts business with Rs.10000 and after 5 months, B joins with A as his partner. After a year, the profit divided in the 5:7. What is B’s contribut...