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A student multiplied a number by 3/5 insted of 5/3. What is the percentage of error in the calculation?

1. A 34%
2. B 44%
3. C 54%
4. D 64%

Due to reduction in the bus fare by 15%, the number of passengers on a certain route increased by 40% then what will be the percentage increase in revenue?

1. A 17
2. B 19
3. C 20
4. D 21

A reduction of 12.5% in the price of dining table bought down its price to Tk.4375. The original price (in Taka) of the table was:

1. A 5000
2. B 5200
3. C 5400
4. D 6000

The price of a DVD player/Television set is discounted by 10 percent and the reduced price is then discounted again by 10 percent. The series of successive discounts is equivalent to a single discount of--

1. A 11%
2. B 18%
3. C 19%
4. D 20%

If income of Rahim is 25% more than that of Karim, Then income of Karim will be how much less than that of Rahim?

1. A 10%
2. B 15%
3. C 20%
4. D 25%

A glass was filled with 10 liters of water and 0.01 liter of water evaporated every day during a 20-day period. What percent of the original amount of water evaporated during this period?

1. A 2%
2. B 2.2%
3. C 20%
4. D 22%

A football team palys 154 games in a year. If till July the team has won 40 and lost 20 games, how many of the remaining games the team must win to finish the year winning nearly 50% of the games?

1. A 17
2. B 27
3. C 37
4. D 77

Jahan spends 50% of he salary for house rent, 20% for grocery and 5% for her kid's entertainment. She deposits the remaining Taka 6000 in a bank. What is her salary in Taka?

1. A 12000
2. B 24000
3. C 30000
4. D 48000

The assessed value of a house is $72000. The assessed value is 60% of the market value of the house. If taxes are $3 for every $1000 of the market value of the houes, how much are the taxes on the house?

1. A $1386
2. B $216
3. C $2160
4. D $360

For a sphere of radius 10 cms, the numerical value of the surface area is how many percent of the numerical value of its volume?

1. A 24%
2. B 26.5%
3. C 30%
4. D 45%

The value of a machine depreciates 10% annually. If its present value is Tk.4000, its value 2 years hence will be--

1. A 3200
2. B 3240
3. C 3260
4. D 3280

The price of an article has been reduced by 25%. In order to restore the original price the new price must be increased by--

1. A 100/11%
2. B 100/3%
3. C 100/9%
4. D 200/3%