Problem on Numbers
1. If one-third of one-fourth of number is 20, then three-tenth of the number is:
Solution:
Let the number be x.
(1/3)(x/4) = 20 [Given condition]
x = 20*12
x = 240
(3/10)x = (3*240)/10
Three-tenth of the number is 72.
Problems to solve:
1. The difference between a number and its 3/4th is 30. What's the number?
2. If a number is decreased by 3 and divided by 2, then the result is 11. What would be the result if 5 is subtracted from the number and then is divided by 5?
Comments
Post a Comment