Question
Which of the following is a nitrogen-fixing
bacteria?Solution
Rhizobium is a nitrogen-fixing bacteria as it fixes nitrogen after it gets established in the root nodules of leguminous plants.
Divakar spends 30% of his salary on house rent, 20% of the remaining amount on shopping, 25% of the remaining on education fees, and the rest is divided...
A bag contains 650 coins of 25p denomination and 1300 coins of 50p denominations. If 19% of 25p coins and 38% of 50p coins are removed, the percentage o...
In a school, the number of girls is 25% less than the number of boys. If the number of boys increases by 20% and the number of girls decreases by 10%, f...
In a school, 850 students are taking a test. The ratio of boys to girls is 9:8, and the test fee for each girl is 30% less than that for a boy. If the t...
In a mixed school 25% of the scholars are infants under 7 and the number of girls above 7 is 4/5 of the number of boys above 7, is 120. Find the number ...
Z spends 60% of his salary and saves the remaining. After his salary is increased by 30%, he saves 55% of the increased amount besides the amount he use...
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. ...
In a given years, A sold 1850 caps while B sold 20% more number of caps than A and C sold 5% less number of caps than B. Find the ratio between the numb...
0.5 is what percentage of 20?
In a colony, there are 120 APL families and 54 BPL families. Each APL and BPL family got blankets equal to 15% and 75%, respectively of total number of ...
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