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Engineering Maths - Percentage Online Exam Quiz

Important questions about Engineering Maths - Percentage. Engineering Maths - Percentage MCQ questions with answers. Engineering Maths - Percentage exam questions and answers for students and interviews.

Options

A : Rs.8190

B : Rs.9180

C : Rs.6180

D : Rs. 6900

2. At an election, where there are two candidates only, a candidate who gets 43 per cent of the votes is rejected by a majority of 420 votes. Then total number of votes recorded assuming that there was no void vote are

Options

A : 2700

B : 2800

C : 3200

D : None of these

3. The population of rats in a locality increases by 20% in one year.Observing this, the pest control committee decided to use a special kind of pesticide `xyz' which effectively kills 160 rats in 3 months. Just after 2 years, what is the net increase or decrease in the population of rats if, initially the population of rats is 3200 and pesticide is used effectively?

Options

A : Increase of 128 rats

B : Decrease of 128 rats.

C : Neither an increase nor a decrease in the population

D : None of these

Options

A : 2.5%

B : 3%

C : 4%

D : 5.2%

Options

A : Rs.600

B : Rs.572

C : Rs.35

D : Rs.605

6. A manufacturer marks his goods in advance at 80 percent more than the cost price, but he allows 15 articles to the dozen and also 10 percent discount for cash. What rate of profit on his outlay does he obtain from a customer who pays cash?

Options

A : 18.2%

B : 25%

C : 29.6%

D : Cannot be determined

Options

A : Rs.4000

B : Rs.2000

C : Rs.300

D : Rs.2500

Options

A : Rs.1000

B : Rs.2000

C : Rs.1500

D : Rs.3000

9. A trader buys a certain amount of goods worth Rs.22520. He decides to make a profit of 5.36% on the sale of goods worth Rs.5000 and increase the profit percent by 3.14% for sales upto 215000 and then increase the profit percent for the sale of remaining lot such that he is able to make a profit of 25% on the sale of the full lot. Then profit that he makes on the third lot of goods is

Options

A : Rs.5620

B : Rs.4512

C : Rs.3212

D : None of these

10. Buy two and get one free. Which of the following is true?

Options

A : The person is selling at a loss

B : The person is selling at a profit.

C : The loss or gain depends on the profit from sale of two articles.

D : The person is selling at the cost price

11. One merchant correctly calculates his percentage profit on the cost price; another wrongly calculates it on the selling price. The difference in actual profits if both claim to make 17 .5 % profit on goods sold at Rs.3760 is

Options

A : Rs.98

B : Rs.56

C : Rs.65

D : Cannot be determined

Options

A : Rs.1000

B : Rs.1053

C : Rs.1200

D : Rs.11233

Options

A : Rs.36

B : Rs.48

C : Rs.64

D : Rs.52

14. A man travels from A to B to buy goods which he can get 10% cheaper in B than in A. If expenses of the journey are 15 and he makes a clear saving of 10, how much does he pay for the goods?

Options

A : Rs.225

B : Rs.200

C : Rs.150

D : Cannot be determined

15. Three friends started a business of renting out air conditioners by investing Rs.20000, Rs. 24000 and Rs.216000, respectively. C gets 20% of total profit for repair and maintenance of the air conditioner. If in a particular year, C gets Rs. 487.50 less than total earnings of the other two, then total profit for the year is

Options

A : Rs.2812.50

B : Rs.3625.50

C : Rs.4515.00

D : None of these

16. A watermelon weighs 5000 gm. 99% of its weight is water. It is kept in a drying room and after some time it turns out that it is only 98% water by weight. What is its weight now?

Options

A : 2500 gm

B : 4500 gm

C : 4950 gm

D : None of these