Class 8 Practice Test for the Chapters Profit and Loss, Time & work

 Class 8 Practice Test for the Chapters Profit and Loss, Time & work 

Practice  Test -1

Class- 8                                            Subject - Maths                                     Marks : 40 marks  

Chapters - Profit and Loss, Time and work                                    

SECTION A each carries 1 marks


  1. Shalini bought an air cooler for Rs. 3300 including a tax of 10%. The price of the air cooler before VAT was added is:-----

  2. A shopkeeper purchased 300 bulbs for Rs 10 each. However 10 bulbs were fused and had to be thrown away. The remaining were sold at Rs 12 each. Find the gain or loss % —---

  3. A shopkeeper purchased 500 pieces for Rs 20 each. However 50 pieces were spoiled in the way and had to be thrown away. The remaining were sold at Rs 25 each. Find the gain or loss %.  —-

  4.  A trader marks his goods at 40% above the cost price and allows a discount of 25%. What is his gain?

  5.    A dealer purchased a washing for Rs. 7660. He allows a discount of 12% on its marked price and still gains 10%. Find the marked price of the machine.

  6. 3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to do it?

  7. A man can do a piece of work in 5 days, but with the help of his son, he can do in 3 days. In what time can the son do it alone?

  8. A can do 1/3 of a work in 5 days and B can do 2/5 of the work in 10 days. In how many days can both A and B together do the work?

  9. One tap can fill a water tank four times as fast as another tap. If together the two taps can fill the water tank in 30 minutes then the slower tap alone will be able to fill the water tank in _______ 

  10. 45 men can finish a job in 16 days. 30 more men joined working, 6 days after they initiated working. How many days more will they now take to finish the remaining work?

Section B each carries 3 marks

  1. By selling a book for Rs 258, a bookseller gains 20%. For how much should he sell it to gain 30%?

  2.  If the selling price of 10 pens is equal to cost price of 14 pens, find the gain percent.

  3. By selling 90 ball pens for Rs 160 a person loses 20%. How many ball pens should be sold for Rs 96 so as to have profit of 20%?

  4. A dishonest shopkeeper professes to sell pulses at his cost price but uses a false weight of 950 gm for each kilogram. Find his gain percent.

  5. The difference between two selling prices of a shirt at profits of 4% and 5% is Rs 6. Find (i) C.P. of the shirt (ii) The two selling prices of the shirt.

  6. A cistern can be filled by a tap in 4 hours and emptied by an outlet pipe in 6 hours. How long will it take to fill the cistern if both the tap and the pipe are opened together?

  7. If 25 men earn Rs 1000 in 10 days, how much will 15 men earn in 15 days?

  8. Rani can finish typing a 100 page document in 9 hours, Raji in 6 hours and Rama in 12 hours. How long will they take to type a 100 page document if they work together?

  9. A and B can do a piece of work in 12 days; B and C in 15 days; C and A in 20 days. How much time will A alone take to finish the work?

  10. Kiran can paint his doll in 20 minutes and his sister Karthi can do so in 25 minutes. They paint the doll together for five minutes. At this juncture, they have a quarrel and Karthi withdraws from painting. In how many minutes will Kiran finish the painting of the remaining doll?



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