Question
X has 30% more money than Y, and Z has 35% less money
than Y. What percent more money does X have than Z?Solution
Let the money Y have = 100x Then money of X = 130X And money of Z = 65x Now required percentage = (130x-65x) / 65x × 100 = (65x / 65x) × 100 = 100%
The LCM of two numbers is 840 and their HCF is 14. If one of the numbers is 84, find the other number.
Three numbers a, b and c are co-prime to each other such that ab = 70 and bc = 45. Find the value of (a + b + c).
The HCF of two 3 digit numbers is 17, and their LCM is 1224. Calculate the difference between the two numbers.
If the multiplication of two numbers is 270 and their HCF is 9, then what will be their LCM?
How many pairs of natural numbers (x, y) exist such that x>y and the product of x, y and HCF (x, y) = 2520? solve thisÂ
The square of sum of two numbers is 9,801 and the sum of squares of the same two numbers is 5,265. If their H.C.F. is 9, then find their L.C.M.
- Calculate the number of factors of 480.
