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## Arithmetic: Percentage Test -3

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*Arithmetic: Percentage Test -3*.You scored %%SCORE%% out of %%TOTAL%%.You correct answer percentage: %%PERCENTAGE%% .Your performance has been rated as %%RATING%%
Your answers are highlighted below.

Question 1 |

120% of a number N is 106.8. Then what is 106.8% of N?

94.05 | |

95.05 | |

90.05 | |

none |

Question 1 Explanation:

=>(N x120)/100 = 106.8

=>12N = 1068

=>N= 89

=>So (89 x 106.8)/100

=>89 x 1.068= 95.05

=>12N = 1068

=>N= 89

=>So (89 x 106.8)/100

=>89 x 1.068= 95.05

Question 2 |

Richaâ€™s salary in 2011 was $1000/day and her salary in 2012 was $1250/day. Again Richaâ€™s salary in 2013 is $1000/day. what is the percent change in the salary of the year 2012?

12.5% | |

6.67% | |

25% | |

35 % |

Question 2 Explanation:

This is a simple question of percentage change

The percentage change = (final value â€“ initial value ) / (initial value) x 100

So in 2011 Richaâ€™s salary was 1000

i.e the initial value and then her salary increased to 1250, that is Â Â final value.

So the percentage change is (1250-1000) / 1000 x 100 = 25%

The right option is c

The percentage change = (final value â€“ initial value ) / (initial value) x 100

So in 2011 Richaâ€™s salary was 1000

i.e the initial value and then her salary increased to 1250, that is Â Â final value.

So the percentage change is (1250-1000) / 1000 x 100 = 25%

The right option is c

Question 3 |

A person spends 40% of his salary on his educational expenses. He spends 60% of it in purchasing books and one-half of the remaining in purchasing stationery items. If he saves Rs 160 every month, which is one-fourth of the balance after spending over books and stationery items, what is his monthly salary?

(a)Rs 8000 | |

Rs 4800 | |

Rs 9600 | |

Data inadequate |

Question 3 Explanation:

Let his monthly salary be (s)

40% on education expensesÂ = 0.4s

=> 0.4s x 60/100 = 0.24s is on purchasing books

=> Â½ ( 0.4 â€“ 0.24) = 0.08s is on stationary items

=> So money left will be 0.4s â€“ ( 0.24s + 0.08s)= Rs 0.08s

Now Acc. to the 2

1/4 ( 0.08s) =160

=> 160 x 4/0.08 = Rs 8000

40% on education expensesÂ = 0.4s

=> 0.4s x 60/100 = 0.24s is on purchasing books

=> Â½ ( 0.4 â€“ 0.24) = 0.08s is on stationary items

=> So money left will be 0.4s â€“ ( 0.24s + 0.08s)= Rs 0.08s

Now Acc. to the 2

^{nd}statement1/4 ( 0.08s) =160

=> 160 x 4/0.08 = Rs 8000

Question 4 |

One type of liquid contains 25% of milk, the other contains 30% of milk. A container is 6 parts of the first liquid and 4 parts of liquid. The percentage of milk in the container?

27% | |

31% | |

29% | |

33% |

Question 4 Explanation:

The mixture is of 6 x (25/100) + 4 x (30/100) = 270/100

Therefore for 10 parts = (270 x 10)/100=27%

Therefore for 10 parts = (270 x 10)/100=27%

Question 5 |

The retail price of a water geyser is Rs 1265 manufacturer gain 10%, the wholesale dÂ 15% and the retailer gains 25%, then the cost price of the product is

Rs 800 | |

Rs 900 | |

Rs 700 | |

Rs 600 |

Question 5 Explanation:

LetÂ (c) be the cost of product
ThereforeÂ we have
c x 110/100 x 115/100 x 125/100 = 1265
c = 1265 x 100/110 x 100/115 x 100/125 = Rs 800

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### Table of Contents

**Concept Articles**

**Exercises**

**Practice Tests**

### How to study this lesson?

It is actually simple to study this lesson.

Go through the given concepts and their corresponding exercises.

Then, solve the percentage practice tests and perfect the skills you have learnt