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Arithmetic: Percentage Test -7

Congratulations - you have completed Arithmetic: Percentage Test -7.You scored %%SCORE%% out of %%TOTAL%%.You correct answer percentage: %%PERCENTAGE%% .Your performance has been rated as %%RATING%%
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Question 1
Vipul decided to donate 5% of his salary. On the day of donation he changed his mind and donateRs. 1687.50 which was 75% of what he had decided earlier. How much is Vipul’s salary?
A
Rs. 37,500
B
Rs. 45,000
C
Rs. 33750
D
Cannot be determined
Question 1 Explanation: 
Let his salary be p
Initial decision to donate=5/100×p=.05p
Final decision=.05p×.75
Thus,.05p ×.75=1687.50
p=45,000
Question 2
In an election between two candidates, one got 52% of total valid votes. 25% of the total votes were invalid. The total number of votes were 8400. How many valid votes did the other person get?
A
3276
B
3196
C
3024
D
Cannot be determined
Question 2 Explanation: 
The other person got 48% of the valid votes
So she got (48/100) x (75/100) x 8400 = 3024
Question 3
Vaishali spent Rs. 31.897 on the air conditioner for her home. Rs. 38.789 on buying plasma television and the remaining 23%of the total amount she had as cash with her. What was the total amount?
A
Rs. 74.625
B
Rs. 86.750
C
Rs. 91.800
D
Cannot be determined
Question 3 Explanation: 
Percentage of total amount spent on air conditioner and television=77%
Total money spent on air conditioner and television=70.686 If the total amount is x
$ \begin{array}{l}\frac{77}{100}\times x=70.686\\X=91.800\end{array}$
Question 4
Prithvi spent Rs. 89.745 on his college fees. Rs.51.291 on Personality Development Classes and the remaining 27% of the total amount he had as cash with him. What was the total amount?
A
Rs.185.40
B
Rs.189.60
C
Rs.191.80
D
Rs.193.20
Question 4 Explanation: 
Percentage of total amount spent on college fees
and Personality development classes = 73%
Total money spent on college fees Personality development classes =141.036
If the total amount is a
Then (73/100) x a = 141,036
a=193.20
Question 5
Income of A is 150% of the income of B and income of C is120%of the income of A. If the total income of A, B and C together is Rs. 86,000, what is C's in come?
A
Rs. 30,000
B
Rs. 32,000
C
Rs. 20,000
D
Rs. 36,000
Question 5 Explanation: 
Let B's income be p
Income of A=1.5p
Income of c=1.2×1.5p=1.8p
So 4.3p=86000
p=20000
C's income=36,000
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