Jambmaths
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| 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 |
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| Question 42 |
$\begin{align} & \text{Find the mean of }t+2,2t-4,3t+2\text{ and }2t \\ & (A)\text{ }t\text{ }(B)\text{ }t+1\text{ }(C)\text{ }2t\text{ }(D)\text{ }2t+1 \\\end{align}$ |
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| Question 43 |
The mean of seven numbers is 10. If six of the numbers are 2, 4, 8,16 and 18. Find the mode. |
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| Question 44 |
Calculate the median age of the frequency distribution in the table above.
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| Question 45 |
$\begin{align} & \text{If the variance }3+x,6,4,x,7-x\text{ is 4 and the mean is 5, find the standard deviation} \\ & (A)\text{ }\sqrt{2}\text{ (B) }\sqrt{3}\text{ (C) }2\text{ }(D)\text{ }3 \\\end{align}$ |
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| Question 46 |
The table above shows the scores of 20 students in Further Mathematics test. What is the range of the distribution |
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| Question 47 |
$\begin{align} & \text{In how many ways can a students select 2 subjects from 5 subjects} \\ & \text{(A) }\frac{5!}{2!}\text{ (B) }\frac{5!}{3!}\text{ (C) }\frac{5!}{2!2!}\text{ (D) }\frac{5!}{2!3!} \\\end{align}$ |
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| Question 48 |
In how many ways can 3 seats be occupied if 5 people are willing to sit |
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| Question 49 |
$\begin{align} & \text{What is the probability that an integer }x\text{ (1}\le \text{x}\le \text{25) chosen at random is divisible by both 2 and 3} \\ & \text{(A) }\tfrac{3}{4}\text{ (B) }\tfrac{1}{25}\text{ (C) }\tfrac{1}{5}\text{ (D) }\tfrac{4}{25} \\\end{align}$ |
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| 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 |
