If 20% of a = b, then b% of 20 is the same as:
A). 4% of a
B). 5% of a
C). 20% of a
D). None of these
2. If 60 is subtracted from a number it is reduced by 80%. The 2/3 of the number is:
5. 56% of a number is less than its 72% by 56. What is 70% of that number?
7. What should come in place of question mark (?) in the following questions ?
8. The difference between a number and its two-fifth is 510. What is 10% of that number?