Streptococcus thermophilus and Lactobacillus bulgaricus are among the principal microorganisms responsible for producing yogurt by fermentation.
Five years ago, the average age of a family of four members was 25 years. Six years hence, the ratio of their ages will be 9:7:5:3. Find the a...
Five years ago, the ratio of Aman's age to Rahul's age was 6:5. It is also known that Aman's age will be 47 years five years from now. Additionally, R...
Calculate Tina's age five years ago given that the current average age of Tina, Rohan, and Ramu is 25 years, while the average age of Rohan and Ramu alo...
The ratio of the present ages of ‘A’ and ‘B’ is 5:6, respectively. Three years hence from now, the age of ‘B’ will be 21 years. If the avera...
The ratio of present ages of Alice and Bob is 5:7, respectively. Charlie, who is 3 years older than Alice, will become 40 years older after 12 years. Fi...
The ratio of age of ‘B’ after 6 years from now and age of ‘C’ 4 years ago from now is 7:4, respectively. The present age of ‘C’ is 40% of th...
Present age of ‘A’ is 40% more than that of ‘B’. If 11 years hence from now, ‘B’ will be 5 years younger than ‘A’, then find the sum of ...
The present age of Neha's father is four years more than six times Neha's present age. If Neha's mother is eight years younger than her father and the r...
The present average age of ‘X’ and ‘Y’ is 16 years, present average age of ‘X’ and ‘Z’ is 56 years and present average age of ‘Y’ an...
The ages of X and Y are in the proportion of 6: 5 and the total of their ages is 44. The proportion of their ages after 8 years will be:
