The iris, the colored part of the eye, controls the size of the pupil and regulates the amount of light entering the eye. It adjusts by contracting or expanding in response to light intensity.
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...
If the sum of the ages of a father and his son is 60 years and the difference of their ages is 30 years, what is the father's age?
The current age of Derek is twice that of Eve. 7 years from now, Derek's age will be 1.5 times the age of Fred at that time. If Eve is 5 years younger t...
The ratio of the present age of 'I' to that of 'J' is 7:9. If eight years hence, the ratio of their ages will become 9:11, find the sum of their ages, e...
The present average age of ‘X’ and ‘Y’ is 45 years, present average age of ‘X’ and ‘Z’ is 32 years and present average age of ‘Y’ an...
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 average age of a man and his two children is 15 years and the average age of man's wife and the same children is 13 years. If the age of man is 31 y...
Five years ago from now, the ages of 'A' and 'B' were in the ratio 31:17, respectively. Fifteen years ago from now, the ages of 'A' and 'B' were in the ...
The respective ages of a mother and her daughter are 30 and 8 years. In how many years will the mother be thrice as old as her daughter?
The present ages of Vikas and Sneha are in the ratio 7:4, respectively. After 6 years from now, the sum of their ages will be 78 years. Find the present...
