Mathematics
The mean of the following distribution is 50 and the frequency of the class-interval 20-40 is m, find the value of m.
| Class-interval | Frequency |
|---|---|
| 0-20 | 17 |
| 20-40 | m |
| 40-60 | 32 |
| 60-80 | 24 |
| 80-100 | 19 |
Related Questions
The following table shows the marked price, the discount, the number of items and GST rates for two items A and B.
Items Marked price Discount No. of items GST A ₹ 1000 10% 2 0% B ₹ 2000 20% 1 5% Find the total of the money for the above statement.
In the given figure, TP and TQ are two tangents to the circle with center O, touching the circle at points A and C respectively. If ∠BCQ = 55°, ∠BAP = 60°, find :
(i) ∠OBA
(ii) ∠OBC
(iii) ∠AOC
(iv) ∠ATC
