In creasing the original price of an item by 10%, then decreasing by 20% and then again increasing the price by 10% is equivalent to

A 4.4% decrease
B Original price
C 3.2% decrease
D 3.5% decrease

Correct Answer: 3.2% decrease

In creasing the original price of an item by 10%, then decreasing by 20%  the effect of it Will be  +10-20+ [10×(-20)]/100 = -12Then again increasing the price by 10% the effect will be  -12+10 +[(-12)×10]/100 =  -3.2So, 3.2 decrease 
Bissoy MCQ
#গণিত #Exim Bank Ltd #Exim Bank Ltd - Management Trainee Officer - 07.05.2010

Related Questions

Increasing the original price of an item by 10%, then decreasing by 20% and then again increasing the price by 10% is equivalent to :
A 4.4% increase
B riginal price
C 3.2% decrease
D 3.5% decrease
Increasing the original price of an item by 10% , then decreasing by 20% and then again increasing the price by 10% is equivalent.
A 4.4% increase
B 3.2%decrease
C 3.5% decrease
D None of these
Increasing the original price of an item by 10% , then decreasing by 20% and then again increasing the price by 10% is equivalent:
A 4.4% increase
B 3.2% decrease
C 3.5 % decrease
D None of these
Increasing the original price of an item by 15 percent and then increasing the new price by another 15 percent is equivalent to increasing the original price by
A 32.25%
B 31.00%
C 30.25%
D 35.54%
Increasing the original price of an item by 30% and then again decreasing the price by 30% is equivalent to which of the following ?
A 9% decrease
B 9% increase
C 5%decrease
D No change
An item costs 90% of its original price. If Tk. 90 is added to the discount price, the cost of the item will be equal to its original price. What is the original price of the item?
A Tk. 9
B Tk. 90
C Tk. 900
D Tk. 990
Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by --
A 32.25%
B 31.00%
C 30.25%
D 30.00%
Increasing the original price of an article by 15 percent and then increasing the new price by 15 percent is equivalent to increasing the original price by ---
A 32.25%
B 31.00%
C 30.25%
D 30.00%
Increasing the original price of an item by 15 percent and then decreasing the new price by 15 percent is equivalent to increase the orginal price by
A 1.20%
B 1.40%
C 1.50%
D None of these
Increasing the original price of an item by 20% and then decreasing the price by 20% is equivalent to which of the following?
A 4% decrease
B 5% increase
C Original price
D 5% decrease

Next steps