Given, 
= [Using formula: (a-b)3 = a3 - b3 - 3ab(a-b)] = = a-1 = 55 - 1 = 54
The ratio of land and water on the entire Earth is 1:2. If this ratio is 1:4 in the Northern Hemisphere, then what will be this ratio in the Southern He...
Three numbers are in ratio 6:7:9. If the sum of the squares of those three numbers is 664 then find the sum of the three numbers.
If 60% of a certain number is equal to 2/3rd of another number, what is the ratio between the numbers?
300 is divided into two parts such that thrice of the first part and twice of the second part are in ratio 21:16, respectively. Find the difference betw...
If x runs are second by Rohit, y runs by Shreyas and z runs by Virat, then x : y = y : z = 3: 2. If total number of runs scored by Rohit, Shreyas and Vi...
The sum of three numbers is 212. If the ratio of the first to the second is 3:5 and that of second to the third is 7:10 then the second number is?
Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 48% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 3450 a...
Monthly savings of ‘Q’ is 25% more than that of ‘P’ and is 48% less than monthly income of ‘P’. Monthly expenditure of ‘Q’ is Rs. 4260 a...
The earnings of two individuals, P and Q, are in the ratio of 4:7. After an increase of 30% in Q’s earnings, his total earnings amount to Rs. 27,300. ...
Two numbers are in the ratio 6:5. After adding 3 and 5 to them respectively the ratio becomes 2:3. Find the bigger number.
