Question
Green plants are usually the first link in any food
chain becauseSolution
The first link in all the food chains is the primary producer i.e, the green plants. They are the first link because they use the sun's energy to produce their own food which is taken up by the organisms of the next level.
6 years ago, the ratio of the ages of A and B was 2:3 and after 5 years it will become 5:7. Find their present ages.
Nine years ago, the ratio of ages of Asha and Usha was 2:3, respectively. Seven years hence, the ratio of ages of Vimal and Usha will be 5:6, respective...
The ratio of age of ‘A’ 5 years ago from now to the age of ‘B’ 5 years hence from now is 4 : 7. If the sum of the present age of ‘A’ and ‘...
When 19 years is subtracted from the present age of A and the obtained result is divided by 5, then the present age of his nephew is obtained. If the pr...
The present ages of Grandmother and Grandfather are in 6:8 if the ratio of Grandmother age after 8 years and Grandfather age after 4 years becomes 5:7 t...
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 20% of th...
- The age ratio of Kiran and Meena 3 years ago was 3:4. In 9 years from now, the ratio of their ages will be 5:6. What is the present age of Meena?
6 years ago from now, Arjun said to Rohit, my age is thrice your age. 9 years hence from now, Rohit said to Arjun, my age is 50% less than yours. Find ...
- The father is 5 years older than the mother and five times as old as the son. If their current age sum is 110 years, after how many years will the father b...
The present ages of A and B are in the ratio 5 : 7. After 6 years, the ratio of their ages will be 4 : 5. Find A's present age.
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