Question
Duckweeds, Water hyacinths and Water ferns belong to
which category of plants?Solution
Duckweeds, Water hyacinths and Water ferns are floating hydrophytes. Plants of this category float on the surface of the water. Leaves act as a major organ for swimming, in which large airspace and stomata are found.
A is 3 years older than B while C is 4 years younger than B. The ratio of age of A, 8 years hence and age of B, 6 years ago is 5:4. What was age of C, 1...
- Age of Riya, 8 years hence from now will be 50 years. Ratio of ages of Rahul and Riya, three years ago from now was 20:35, respectively. If the present age...
The ratio of A and B present age is 7:3. The product of their ages is 8400. What will be the ratio of their ages after 4 years?
Six years ago, the ratio of ages of Alok and Ravi was 7:9, respectively. Eight years hence, the ratio of ages of Rohan and Ravi will be 5:6, respectivel...
The ratio of age of ‘B’ after 3 years from now and age of ‘C’ 8 years ago from now is 7:4, respectively. The present age of ‘C’ is 30% of th...
- Present ages of ‘P’ and ‘Q’ are in ratio 1:2. 4 years ago, the average of the ages of P, Q and R was 26 years. At that time, P was 10 years younger...
The current average age of students in a class is 24 years. What will the average age of the students be in 6 years?
The current ratio of the ages of 'Armaan' and 'Bittu' is such that six years from now, it will be 5:4, respectively. Presently, 'Chetna's age exceeds 'B...
Present ages of 'A' and 'B' are in the ratio 6:5, respectively. Present age of 'C' is 50% more than 'B'. If the difference between present ages of 'C' ...
Present age of A is 50% more than that of B. Present age of C, who is 6 years older than B, is 24 years. After how many years from now, ratio of ages of...
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