Find the average of first 12 whole numbers.
First 13 whole numbers = 0, 1, 2, …….., 10, 11 Average = (1st term + last term)/2 = (0 + 11)/2 = 5.5
In a city, the number of persons travelling by bike is 22.5% the number of persons travelling by metro. The number of persons travelling on foot is 40% ...
The number of boys and girls in a school is 280 and 340 respectively. 35% of boys left the school while 10 girls took admission in the school. Find the ...
In a city, the number of persons travelling by bike is 62.5% the number of persons travelling by metro. The number of persons travelling on foot is 60% ...
In an examination having total 300 questions, in the first section having 180 questions. A student got 75% marks in first section, but he got 80% marks ...
Monthly income of Aisha and Tom is Rs. 75,200 and Rs. 82,000 respectively. Aisha spends 13%, 18%, and 22% on house rent, food, and education of children...
B invests 20% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
In a school there are 60% boys and rest are girls. If number of girls is 360 then find the total number of boys in the school.
The marks obtained by A is 25% more than B, and the marks obtained by C is 155 more than the difference of the marks obtained by A and B. If C obtained ...
The population of a city is decreased by 14% in the first year and then increased by 25% in the second year. Find the population of the city at the end...
The difference between the value of the number increased by 10% and the value of the number decreased by 20% is 72. Find the number.
