Question
Which of the following is capable of oxidizing sulfur to
sulfates?Solution
The common sulfur-oxidizing bacterium Thiobacillus thiooxidans is a chemo-lithotroph utilizing thiosulfate and sulfide as sources of energy to produce sulfuric acid.
In four years, the age ratio of 'X' and 'Y' will be 10:13, respectively. The current average age of 'Y' and 'Z' is 54 years, and the present average age...
Five years from now, the age of Arjun will be 28 years. Six years from now, the ratio of ages of Arjun and Varun will be 4:5 respectively. After how man...
Shalini is younger than Rashi by 4 years. If the ratio of Shalini and Rashi ages is 8:9 respectively, then find the age of Shalini.
The current average age of three friends, Aravi, Bipasa, and Chinu, is 24 years. The ratio of Chinu's and Diksha's present ages is 4:5, and Bipasa's cur...
Present ages of 'A' and 'B' are in the ratio 3:5, respectively. If B's age, 10 years hence from now will be 5 times of A's age, 14 years ago from now, t...
- Seven years ago, the age ratio of 'F' and 'G' was 2:3. In five years, their ages will be in the ratio 3:4. What is the current age of 'V' who is 2 years yo...
The average age of Mohan, his wife, his son and his daughter is 24 years. His wife is just 5 years younger than Mohan himself and his wife was 25 years ...
The difference between the ages of two daughters is 8 years. 12 years ago, the elder one was twice as old as the younger one. The present age of the el...
7 years ago from now, the ratio of ages of two siblings was 9:8, respectively. 5 years hence from now, the ratio of ages of the younger sibling and the ...
The ages of A, B and C together are 54 years. B is twice as old as A and C is 6 years older than A. What is the difference between ages of B and C?
Relevant for Exams:
