Question : Rewa has some hens and some goats. If the total number of animal heads is 100 and the total number of animal feet is 348, then what is the total number of goats with Rewa?

Option 1: 76

Option 2: 74

Option 3: 55

Option 4: 80

Question : Two numbers are, respectively, 17% and 50% more than a third number. The ratio of the two numbers is:

Option 1: 27 : 25

Option 2: 39 : 50

Option 3: 19 : 11

Option 4: 29 : 25

Question : The median of the following data will be _________.
32, 25, 33, 27, 35, 29, and 30

Option 1: 32

Option 2: 27

Option 3: 30

Option 4: 29

Question : If $a=\frac{1}{a - 5}(a>0)$, then the value of $a+\frac{1}{a}$ is:

Option 1: $\sqrt{29}$

Option 2: $–\sqrt{27}$

Option 3: $-\sqrt{29}$

Option 4: $\sqrt{27}$

Question : If $a+b=3$, then the value of $a^{3}+b^{3}+9ab-27$ is:

Option 1: 24

Option 2: 25

Option 3: 0

Option 4: 27