COMMERCIAL MATHS FOR 11th

In an election between 2 candidates, Chaman gets 80% of the total valid votes. If the total votes were 12000, what is the number of valid votes that the other candidate Dhande gets if 15% of the total votes were declared invalid?

• 1645

• 1545

• 1675

• 2040

In an examination, 80% students passed in Physics, 70% in Chemistry while 15% failed in both the subjects. If 3250 students passed in both the subjects. Find the total number of students who appeared in the examination.

• 7500

• 8000

• 3000

• 5000

The price of a certain product was raised by 20% in India. The consumption of the same article was increased from 400 tons to 440 tons. By how much percent will the expenditure on the article rise in the Indian economy?

• 32%

• 25%

• 27%

• 26%

The population of Swansea increases with a uniform rate of 8% per annum, but due to immigration, there is a further increase of population by 1% (however, this 1% increase in population is to be calculated on the population after the 8% increase and not on the previous years population). Find what will be the percentage increase in population after 2 years.

• 18.984%

• 18.081%

• 18.24%

• 17.91%

1. If 10% of A is equal to 120% of B, then what percent of B is A?

• 12%
• 110%
• 120%
• 1200%
• 12000%

If a student got 40 questions right out of 76 total questions on the test, what was her percent score?

• 52.6 %
• 64 %
• 53.8 %
• 78.5 %

If a student got 48 questions right out of 75 total questions on the test, what was her percent score?

• 64 %
• 52.6 %
• 89.7 %
• 78.5 %

2) After fuel prices rose by 15%, a family’s annual heating bill was £1654. What would the bill have been without the price increase?

• £1438.26

• £1945.88

• £248.10

• £1500

3) The cost of a holiday, including VAT at 20% is £540. What is the pre-VAT price?

• £648

• £450

• £675

• £432.80

9) After a long-haul flight, the total weight of a Boeing 747 had decreased by 27% to 305,000kg. What weight was the aircraft carrying at take-off?

• 82350

• 387350

• 369880

• 417808