20% of a number is 60

If 40% of a number is 290, then what is the number which is 20% more than the initial number?

When 20% of a number is added to another number the number increases by 50%. What is the respective ratio between the first and the second numbers?

If 40% of a number is less than its 60% by 30, then the 20% of that number is: यदि किसी संख्या का 40% उसके 60% से 30 से कम है, तो उस संख्या का 20% है:

If 60% of a number is 120 more than 20% of the number, then 28% of the number is less than 33 1/3 % of the number by : यदि किसी संख्या का 60% उस संख्या के 20% से 120 अधिक है, तो उस संख्या का 28% उस संख्या के 33 1/3 % से कितना कम है ?