Test: Percentages - Ambitious

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Question 1:   Calculate 25%  of   20
5
0.25
2.5
500
Question 2:   Calculate 11.5%  of   30
3.5
3.45
3.4
3
Question 3:   What percent of   80  is   27  ?
33.75%
33.5%
33.66%
33.33%
Question 4:   What percent of   90  is   34  ?
33.67%
37.5%
40%
37.78%
Question 5:   On average 72% of human body is water. If the weight of water is 63  kg, how much the man weigh?
87kg
86.5kg
87.5kg
85kg
Question 6:   112 hotel employees eat dinner provided by the hotel, which corresponds to 80% of all employees. How many people in total are employed in the hotel?
140
130
120
138
Question 7:   An increase of 15% for electricity bill makes the bill equal to £ 100 . What was the bill before the increase?
£ 115.00
£ 85.00
£ 92.15
£ 86.96
Question 8:   Value of shares decreased by 15% and equals to £ 150 . What was the value before the decrease?
£ 175.00
£ 176.47
£ 165.00
£ 170.23
Question 9:   Price of petrol was £ 1.12 . After a half year petrol price is £ 1.36 . What is the percentage increase in petrol price?
19.78%
21.43%
22.47%
20.19%
Question 10:   Fuel tank contains 76 liters of petrol. 53  liters were used during a trip. What percentage of petrol is left in the tank?
30%
30.26%
70%
69.74%