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.
What is the fourth proportional to 3, 8, 15?
In 2022, the ratio of boys to girls in a school was 8:7. By 2023, 50 boys and 80 girls had left the school, while 90 new boys and 30 new girls joined. A...
Before a battle the ratio of tanks to planes in an army was 5 : 3. During the war 1000 tanks were destroyed and 800 planes were destroyed. The ratio of ...
In a class, the ratio of students who passed to those who failed is 5:6. If 30 additional students had passed the exam, the ratio would shift to 17:16. ...
If x:y = 5:7 and x + y = 408, then find the value of (y - x).
Find the fourth proportion of 5, 12 and 30.
Ratio of number of book to number of pen sold by a shopkeeper is 13:8, respectively while ratio of number of pen to number of pencil sold by the same sh...
The ratio of the incomes of Vineet and Vidya is 10:7 respectively. Vineet saves 30% of his income while Vidya saves 20% of his income. The sum of their ...
In a school, ratio of male to female teachers is 1: 3 respectively. When 24 more female teachers joined the school, then this ratio becomes 2: 9 respect...
Find out the third proportion to 18 and 27.