The ratio of the sum and difference of the ages of the father and the son is 11 : 3. Consider the following statements :

1. The ratio of their ages is 8 : 5.

2. The ratio of their ages after the son attains twice the present age will be 11 : 8.

Which of the statements given above is/are correct ?

The median of the following distribution is 14.4 and the total frequency is 20: Class…

The median of the following distribution is 14.4 and the total frequency is 20: Class…

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The average of u, v, w, x, y, z is 10.What is the average of…

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