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Let fifth and sixth numbers be ‘7x’ and ‘5x’, respectively. So, 7x + 5x = 80 × 8 – 60 × 7 – 50 × 5 = 300 Or, 12x = 300 Or, x = 25 So, fifth number = 25 × 7 = 175
There are 3 children in a family. The average age of the children is 16 years. If the present age of their mother and father is added, the average age o...
6 years ago, the average age of a family of five persons was 38 years. In between these 6 years the family adopted a girl. Now at present the average ag...
Present age of ‘M’ is 25% more than that of ‘N’. 5 years ago, ‘M’ was 1.5 times as old as ‘N’. Find the present age of ‘N’.
...The present age of Arvind is three times of Sanjay. 6 years hence the age of Arvind will become 5 years more than 2 times the age of Sanjay. The present...
The ratio of A and B present age is 7:4. The product of their ages is 2800. What will be the ratio of their ages after 5 years?
The present age of Priya’s father is five years more than four times Priya's present age. If Priya's mother is nine years younger than her father and ...
When 16 years is subtracted from the present age of A and the obtained result is divided by 3, then the present age of his nephew is obtained. If the pr...
Present ages of ‘A’, ‘B’ and ‘C’ are in the ratio 8:9:12, respectively. If present average age of ‘A’ and ‘C’ is 20 years, then find...
