A) 2500
B) 1600
C) 1800
D) 2000
Answer:D) 2000
Explanation:Difference =55% - 35%=20% 20% =400 1%=20 100%=2000
Answer:B) 1600
Explanation: 50%=1000 1%=1000/50=20 80%=1600
A) 200/7
B) 220/7
C) 230/7
D) 240/7
Answer:A) 200/7
Explanation:By using formula Less % = r/100+r*100 = 40/100+40*100 = 40/140*100 = 200/7
A) 56%
B) 60%
C) 66.66%
D) 67.12%
Answer:C) 66.66%
Explanation:By using formula More % = 5000-3000/3000*100 = 2000/300*100 = 2/3*100 = 200/3 = 66.66%
A) 50%
B) 125%
D) None of these
Explanation:It means 10 is percentages of 15 (10/15*66)=66.66
Exercise 1
Exercise 2