Question

3. In a Class, there are 50 boys and 45 girls. Find the ratio of the
of girls
4. Ravi walks 18 km in an hour while Roshan walks 8 km in an hour. Find the ratio of the
covered by Ravi to the distance covered by Roshan
6. In a school, there were 90 holidays in one year. Find the ratio of the number of his
number of days in one year ​

Answer 1

Answer:

WHT IS YOUR QUESTION

Step-by-step explanation:

usual, prove it using the general heuristic that

X=YX=Y if and only if X⊆Y and X⊇Y.X⊆Y and X⊇Y.

In other words, take a generic element of A×(B−C)A×(B−C) and show that it also must be an element of (A×B)−(A×C)(A×B)−(A×C), and vice versa.

Answer 2

Answer:

3. Total number of students = 50 + 45 = 95

Ratio of the girls to class = 45 : 95

                                         = 9 : 19

4. distance travelled by Ravi = 18 km

   Distance travelled by Roshan = 8 km

   Ratio = 18 : 8

             = 9 : 4

6. Number of holidays in a year = 90

Ratio = 90 : 365

        = 18 : 73

Step-by-step explanation:

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