# Jambmaths

Maths Question
Question 41

The pie charts above shows the statistical distribution of 80 students in five subjects in an examination. Calculate how many students offer Mathematics

Question 42

\begin{align} & \text{Find the mean of }t+2,2t-4,3t+2\text{ and }2t \\ & (A)\text{ }t\text{ }(B)\text{ }t+1\text{ }(C)\text{ }2t\text{ }(D)\text{ }2t+1 \\\end{align}

Question 43

The mean of seven numbers is 10. If six of the numbers are 2, 4, 8,16 and 18. Find the mode.

Question 44
 Age 20 25 30 35 40 45 No. of people 3 5 1 1 2 3

Calculate the median age of the frequency distribution in the table above.

Question 45

\begin{align} & \text{If the variance }3+x,6,4,x,7-x\text{ is 4 and the mean is 5, find the standard deviation} \\ & (A)\text{ }\sqrt{2}\text{ (B) }\sqrt{3}\text{ (C) }2\text{ }(D)\text{ }3 \\\end{align}

Question 46
 Score 3 4 5 6 7 8 9 10 Frequency 1 0 7 5 2 3 1 1

The table above shows the scores of 20 students in Further Mathematics test. What is the range of the distribution

Question 47

\begin{align} & \text{In how many ways can a students select 2 subjects from 5 subjects} \\ & \text{(A) }\frac{5!}{2!}\text{ (B) }\frac{5!}{3!}\text{ (C) }\frac{5!}{2!2!}\text{ (D) }\frac{5!}{2!3!} \\\end{align}

Question 48

In how many ways can 3 seats be occupied if 5 people are willing to sit

Question 49

\begin{align} & \text{What is the probability that an integer }x\text{ (1}\le \text{x}\le \text{25) chosen at random is divisible by both 2 and 3} \\ & \text{(A) }\tfrac{3}{4}\text{ (B) }\tfrac{1}{25}\text{ (C) }\tfrac{1}{5}\text{ (D) }\tfrac{4}{25} \\\end{align}

Question 50

A basket contains 9 apples, 8 bananas and 7 oranges. A fruit is picked from the basket, find the probability that it is neither an apple nor an orange