# Jambmaths

Maths Question
Question 41

If $y=x\sin x,\text{ find }\tfrac{dy}{dx}$

Question 42

At what value of x does the function $y=3-2x+{{x}^{2}}$ minimum?

Question 43

Evaluate  $\int_{0}^{2}{({{x}^{3}}+{{x}^{2}})dx}$

Question 44

Find $\int{(\sin x+2})dx$

Question 45
 Marks 2 3 4 5 6 7 8 No of students 3 1 5 2 4 2 3

From the table above, if the pass mark is 5, how many students failed the test?

Question 46
 Mark 1 2 3 4 5 Frequencies 2 2 8 4 4

How many students took the test?

Question 47

Use the table below to answer question

 Mark 1 2 3 4 5 Frequencies 2 2 8 4 4

Find the mean mark

Question 48

Find the standard deviation 2, 3, 5 and 6.

Question 49

In how many ways can a committee of 2 women and 3 men be chosen from 6men and 5 women?

Question 50

If three unbiased coin are tossed, find the probability that they are all heads