# Jambmaths

Maths Question
Question 41

Evaluate $\int{\sin 2xdx}$

Question 42

Evaluate $\int{{{(2x+3)}^{\tfrac{1}{2}}}dx}$

Question 43

The pie chart above shows the monthly distribution of a man’s salary on food items. If he spent N8000 on rice, how much did he spend on yam?

Question 44

The mean of 2 – t, 4 – t, 3 – 2t, 2 + t and t –1 is

Question 45
 Values 0 1 2 3 4 Frequency 1 2 2 1 9

Find the mode of the distribution above

Question 46

Find the median of 5, 9, 1, 10, 3, 8, 9, 2, 4, 5, 5, 7, 3 and 6

Question 47

Calculate the standard deviation of 5, 4, 3, 2 and 1

Question 48

In how many ways can a team of 3 girls be selected from 7 girls?

Question 49
 Numbers 1 2 3 4 5 6 Frequency 18 22 20 16 10 14

The table above represent the outcome of throwing a die 100 times. What is the probability of obtaining at least a 4

Question 50

A number is chosen at random from 10 to 30 inclusive, what is the probability that the number is divisible by 3