These problems feature two or more fractions

1] Two third of one fourth of a number is 30.The number is
a] 180 b]108  c]144  d]none

solution
2/3 of 1/4 of x = 30
                     x = 180

2] If one fourth of two fifths of a number is 36.What is the number ?
a] 180 b]190 c]250  d]360

3] Two third of three fifth of a number is 14.What is the number?
a] 180 b]108  c]35 d]none

4 ]one fourth of one fourth of a number is 30.The number is
a] 180 b]108  c]144  d]576

5] If one third of one fourth of a number is 12.What is the number ?
a] 180 b]190 c]250  d]144

6] If one fourth of two fifths of a number is 36.What is the number ?
a] 180 b]190 c]250  d]360

7] If three fourth of one fifth of a number is 60.What is the number ?
a] 180 b]190 c]250  d]400

8] If one third of one fourth of a number is 12.What is the number ?
a] 180 b]190 c]250  d]144

9] If three fourth of one fifth of two third a number is 30.What is the number ?
a] 180 b]190 c]250  d]300