Year 7 - Percentage

(Sample Online worksheet)

Fill in the blanks

1)(12% of 60) - (60% of 12) = .
2)If length of a square is decreased by 10% and width is decreased by 40%, area decreases by %.
3)Find:
A) 0.6% of 170 Km. = Km.
B) 0.4% of Rs. 398 = Rs.
C) 1% of Rs. 814 = Rs.
D) 0.4% of 834 meters = meters
4)Find the value of :
A) 5 % of 29 =
B) 60 % of 38 =
C) 43.3 % of 23 =
D) 65 % of 956 =
5)Convert the following fraction to a fraction percentage form
A)  
545
650
  =  
 
 
  %
B)  
95
170
  =  
 
 
  %
C)  
411
540
  =  
 
 
  %
D)  
236
970
  =  
 
 
  %
6)Convert the following ratios into percent: (Write answers upto 3 decimal places)
A)  
36
12
  = %
B)  
36
27
  = %
C)  
27
63
  = %
D)  
40
30
  = %

Choose correct answer(s) from given choice

7)If 20 % of a is 10, then what is the value of a?
a. 55 b. 39
c. 62 d. 50
8)A solution of sugar and water contains 15% salt by weight. Of it 50 kg. water evaporates and the solution now contains 25% of salt. Find the original quantity of sugar.
a. 18.75 kg b. 20 kg
c. 16.25 kg d. 17.5 kg
9)A shopkeeper sold a racket at a loss of 9%. Had he sold it for $ 54 more, he would have gained 9%. Find the cost price of racket.
a. $ 450 b. $ 300
c. $ 400 d. $ 250

Check True/False

10)15% of 13% of 900 = 13% of 15% of 900
True    False
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