If 200% of a number is 90, the the number is 45. hence, 80% of 45 is 36
200% = 90 100% =45 ( this is the number) 80% =36
C with his 200% efficiency, can complete 25% of a certain work in 12 days. B is 20% more efficient than C. A with 75% efficiency can complete the work in same days as B. If A and B together finish the same work and A gets Rs. 10400, then what is the share of B?
At an amusement park, 65% of visitors ate a donut, 80% ate a soft pretzel, 80% ate pizza, and 90% ate ice cream. What is the minimum percentage of visitors that ate all 4 foods?