Density is the weight of a substance per unit of volume, while specific gravity is the ratio between the density of the substance and that of water. On the average the specific gravity of milk at 15 ° C/15 ° C is 1.032 (1.018-1.035).
"Three friends, Aman, Bhuvan, and Chinu, have the following age relationship: Aman's age six years ago was half of Bhuvan's age t...
The average age of the husband, wife and their child 4 years ago was 24 years and that of the husband and the child 5 years ago was 19 years. The prese...
The age of a father is 4 times that of his son. After 6 years, the father will be 3 times as old as his son. Find the present age of the son.
Eight years ago, the ratio of Raman's age to Chaman's age was 4:5. Twelve years from now, this ratio will change to 13:15. Calculate the current average...
The present age of a father is three times that of his son. After 10 years, the father’s age will be twice that of his son. What are their current age...
Sum of the present ages of A, B, C and D is 70 years. After 5 years ratio of their ages is 6:4:3:2. What is C’s present age?
The current average age of Aman and Bhanu is 27 years, and the ratio of Bhanu's present age to Chetna's present age is 10:11. If Aman's current age is 2...
The ratio of the present age of 'E' to that of 'F' is 2:3. If six years hence, the ratio of their ages will become 3:4, find the sum of their ages, five...
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 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?
