The decimal 105.7 becomes 1057 when multiplied by 10 .The same number becomes 10.57 when multiplied by 0.10. Multiple by 10 makes the number greater or lesser by the factor of what ?Multiplying by 0.10 makes the number by factor of what?

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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c

step-by-step explanation:

b

step-by-step explanation:

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