Question

Solve the following:

(i) 6 students out of 40 students in a class are absent. What percentage of The students are absent?


(ii) Antony secured 384 marks out of 500 marks. Find the percentage of marks secured by Antony.


(iii) A shop has 500 shirts, out of which 15 are defective. What percentage of shirts are defective?


(iv) Vani has a collection of bangles. She has 20 gold bangles and 10

silver bangles. What is the percentage of each type of bangles?


(v) There are 120 voters, 90 of them voted. What percent did not vote?


(vi) An alloy consists of 7 parts of zinc and 33 parts of copper. Find

the percentage of copper in the alloy.​

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

i) total student: 40

Student absent: 6

∵ Percent of absent = 6/40 x 100

                                  = 15%

ii) total mark: 500

 mark of Antony: 384

 ∴ antony mark in percent = 384/500 x 100

                                           = 76.8%

iii) total: 500

   defected shirt: 15

  ∴ percent of defected shirt =  15/500 x 100

                                                 = 3%

IV)  gold bangles: 20

      silver bangles: 10

                total: 20 + 10 = 30

∴ percent of gold bangles = 20/30 x 100 = 66.66%

∴ percent of silver bangles = 10/30 x 100 = 33.33%

V) no. of people voted: 90

 total: 120

 ∴ percent of people did not vote = 90/120 x 100

                                                         = 75%

VI) alloy = 7

     copper: 33

  total = 7 + 33 = 40

  ∴ percent of copper = 33/40 x 100 = 82.5%

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