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Ammonia (NH3) is a colorless gas with a sharp, pungent odor, composed of nitrogen and hydrogen. It is both a byproduct of amino acid metabolism in the human body and a naturally occurring compound in soil, where it plays a role in nitrogen cycling processes.
The ages of A, B and C together are 40 years. B is thrice as old as A and C is 5 years older than A. What is the difference between ages of B and C?
A is 3 years older than B while C is 5 years younger than B. The ratio of age of A, 6 years hence and age of B, 3 years ago is 4:3. What was age of C, 1...
There are 5 children in a family. The average age of the children is 10 years. If the present age of their mother and father is added, the average age o...
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 present age of A is 5/3 times to that of his marriage age. Present age of his brother is 1/3rd of his present age. If A was married 36 years ago the...
5 years ago, A was 1/3 of B’s age. If the ratio of their present ages is 2:5, what will be the sum of their present ages?
The current age of 'Aman' is 87.5% greater than 'Bittu's' age. The ratio of Aman's age 3 years hence from now to Bittu's age 6 years hence from now is 8...
In a classroom there are 15 boys and 13 girls. Average age of each boy and each girl is 21 years and 17 years respectively. The sum of ages of all the b...
A's age is 75% greater than B's age. The age difference between C and D is 24 years. The average age of A, B, C, and D is 60.75 y...
A girl’s age is 125% of what it was 10 years ago, but 75% of what it will be after 10 years. What is her present age?