Micro water shed has an area of
Watershed is a geographical unit with a common natural drainage outlet. The extent varies from 500 (micro-watershed) to 5000 ha (sub-watershed).
The marks scored by a boy in three subjects are in the ratio 3 : 5 : 7. Boy scored an overall aggregate of 70% in the exam. If the maximum marks in each...
In an election between two candidates Abhay and Bharti, Abhay got 55% of the total valid votes, 20% of the total votes were invalid. If the total number...
A towel was 75 cm long and 120cm broad. When bleached, it was to have lost 40% of its length and 20% breadth. The percentage of decrease in area is:
The number of boys and girls in a school is 120 and 200 respectively. 25% of boys left the school while 40 girls took admission in the school. Find the ...
A man spends 23% and 10% of his monthly salary on rent and transportation, respectively. Out of the remaining money, he spends 31% on food and 46% on en...
Out of the total population in a village 25% casted invalid votes and the winning candidate A received 14(2/7)% more votes than the losing candidate B....
Pankaj gives 15% of her salary to his wife, 5% of the remaining amount to his children and 20% of the remaining to his parents. If Pankaj is left with R...
A student multiplied a number by 8/5 instead of 5/8. What is the percentage error in the calculation?
An army lost 20% its men in war, 20% of the remaining due to diseases and 20% of the rest were disabled. Thus, the strength was reduced to 64,000 active...
Rahul saves Rs. 6800 more if he spends 70% of his income instead of 90%. Find the savings of Sumit whose income is 25% more than that of Rahul, and spen...
