Question
Lichens, the pioneer organisms that initiate ecological
succession are actually a symbiotic association ofSolution
Lichens are a complex life form, formed from a symbiotic association of two separate organisms, a fungus and an alga.
M scored 30% marks in an exam whereas N scored 270 marks in the same exam. If the score of N is 90 marks more than that of M, then find the maximum mark...
In a school election between two candidates, 12% of the total votes were invalid. Of the valid votes, the winner got 58% and won by 1,392 votes. Find th...
Income of 'A' is Rs. 900 more than that of 'B'. Both spend 40% of their respective incomes. If the savings of 'C' is 30% of his income and is equal to ...
In an election between two candidates 'A' and 'B', 20% of total votes were invalid. 'A' received 60% of the valid votes. If 'B' gets 19,200 valid votes,...
The ratio of monthly income of 'A' to that of 'B' is 5:9, and monthly savings of 'A' are 25% less than that of 'B'. If 'B' saves (1/3)rd of his monthly ...
A shopkeeper marks an item 50% above its cost price. During a sale, he provides two successive discounts of 20% and 10%. Calculate the profit percentage.
Out of his total income, Deepak spent 15% on food, 60% of the remaining income on rent, and saved the remaining income which amounts to Rs. 17,000. Mani...
Vikram spends 35% of his income on rent, 20% of the remaining on food, 25% of the now remaining on education, (4/13)th of the now remaining on other nee...
A bag contains 350 coins of 25p denomination and 700 coins of 50p denominations. If 16% of 25p coins and 32% of 50p coins are removed, the percentage of...
50% students (boys + girls) in a math class are boys. Out of total boys, 65% are literate and 70 are illiterate. Find the number of literate girls in th...
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