DAY 5 QUESTION BANK

1.  Two-fifth of one-third of three-seventh of a number is 15. What is 40 percent of that number?  
           

 a) 72              b) 84             c) 136          d) 140      e) none of these

2. The difference between a number and its two-fifth is 510. What is 10% of that number?

 a) 12.75                   b) 85             c) 204                d) None of these

3.  What percentage of numbers from 1 to 70 have squares that end in the digit 1?

a) 1                           b) 14                 c) 20                d) 21