Question
Consider the following statements related to the
ecosystem - 1.The term ecosystem was first used by A.G. Tansley. 2.Organisms that produce their own food are called autotrophs. 3.The consumer consumes his food through the process of photosynthesis. 4.Decomposers convert inorganic matter into organic matter. Which of the above statements are correct?Solution
Consumers do not produce their own food. Decomposers convert organic matter into inorganic matter.
A store offers two consecutive discounts of 12% and 8% on an item. Determine the equivalent single discount percentage.
P spends 26% of his salary on transportation, 24% on food, 22% on children’s education and 19% on medical. He deposits the remaining amount of Rs....
Rajesh spent 45% and 20% of his monthly salary on food and rent, respectively. Of the remaining amount, he gave 16% and 25% to his mother and brother, r...
In a two-candidate city council election, 40% of the votes were found invalid. From the valid votes, 60% went to the winner, who led by 1,200 votes. Fin...
In an exam, Aman scored 60% marks and failed by 85 marks whereas Raj scored 80% marks in the same exam and scored 65 marks more than the passing marks. ...
Sunita scored 434 marks in a test and failed by 6 marks. If the passing marks of the test is 25%. What is the maximum mark of the test?
The salary of a man decreased from Rs. 20000 per month to Rs. 15000 per month. . Find the decrease percent.
Meenu spent 10% of the salary on entertainment and 10% on makeup. She spent 20% of the remaining on the food and 50% of the remaining invested in mutual...
A man spends 20% and 12% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 30% on food and 45% on en...
- In an examination, Anil secured 320 marks and passed by 60 marks. If the passing mark is 40% of the maximum marks, then find the maximum marks.
