Question

* The mean of first ten multiples of 2 is
(O 16 - 20) Answer the following:
16. If the mean and mode of a discrete data is 6 and 9, find the median of the data.
OR
If Ef;= 15, 2J;X; = 3p+ 36 and the mean of the distribution is 3, then find the value of P
17. Find the probability of getting doublet in a single throw of a pair of dice.
e Determine the degree of the polynomial (x + 1)(x - x - x + 1).
19. If 2x, x + 10, 3x + 2 are in A.P, find the value of x.
0. Find the value of cos 15°, using the result cos (A - B) = cos A cos B + sin A sin B.
ble Paper-1​

Answer 1

Answer:

Answer of question 1. The mean of first ten multiples of 2 is

Answer of question 2. If the mean and mode of a discrete data is 6 and 9, find the median of the data.

OR

If Ef;= 15, 2J;X; = 3p+ 36 and the mean of the distribution is 3, then find the value of P

Answer of question 3. Find the probability of getting doublet in a single throw of a pair of dice.