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Profit of B/Total Profit = 3/7 = ((X+4000)×6)/(X × 12 + (X+4000) × 6) 7X + 28000 = 9X + 12000 2X = 16000 X = 8000
The ratio of age of A and his son is 9:2. If the difference of their ages 7 year ago is 21, then find the sum of ages of A and his son 13 year hence?
My sister is 5 years elder to me. My father was 30 years of age when my brother was born while my mother was 28 years of age when I was born. If my bro...
A is five times as old as B. C was twice-as old as A six years ago. In six years' time, A will be 31. Find the sum of the present ages of B and C.
Present ages of P and Q are in the ratio 7:8 respectively. If Q’s age, 8 years hence from now will be 2 times of P’s age, 5 years ago from now, then...
7 years ago, the ratio of the ages of A and B was 1:2 and after 7 years it will become 3:5. Find their present ages.
The average ages of A, B and C is 20% more than the average ages of A and B. 10years hence from now, the ratio of the ages of A and C will be 3:5, respe...
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Two years ago, the combined ages of Armaan and Bikash equaled Chetna's age at that time. Ten years ago, Armaan was twice as old as Bikash. If, in five y...
5 years ago, the average age of a family of five persons was 30 years. In between these 5 years the family adopted a girl. Now at present the average ag...