A waiter income consist of his salary and tips. During one week his tips were 4/5 of his salary. What portion of his income came from tips?
Let salary of waiter be = x Then his tips = x× 4/5 = 4x/5 Total income = x+ 4x/5 = 9x/5 Portion of income come from tips = (4x/5)/(9x/5) = 4/9
Find the least number of equal sizes square tiles which can be fitted in a rectangular room whose sides are 360 m and 480 m?
HCF of two numbers 70 and 140 can be expressed in the form of (20m – 110) whereas LCM of these two numbers can be expressed in the form of (40n – 20...
From a point on a circular track 10 km long A, B and C started running in the same direction at the same time with speeds of 3(1/3) km/h, 5 km/h and 2 k...
What is the HCF of (x4 - x2 - 6) and (x4 - 4x2 + 3) ?
(a) x2 - 3 (b)...
A number is three times another number and their HCF is 8. What is the sum of the squares of the numbers?
The maximum number of students among whom 891 pens and 810 pencils can be distributed in such a way that each student gets same number of pens and same ...
Find the LCM of 25/14, 15/28, 30/21
The LCM of two numbers is 5 times their HCF. The sum of LCM and HCF is 180. If one of the numbers is 150, then the other number is
Three numbers are in the ratio 4 : 9 : 13 and their LCM is 2340. Their HCF is: