Question : In a completely connected network, how many lines are required for connecting 6 nodes?

Option 1: 12

Option 2: 15

Option 3: 30

Option 4: 24

Question : How many major sea ports are there in India ?

Option 1: 6

Option 2: 9

Option 3: 10

Option 4: 12

Question : How many prime numbers are there between 100 and 120?

Option 1: 6

Option 2: 7

Option 3: 5

Option 4: 4

Question : If A : B = 2 : 3, B : C = 6 : 7, C : D = 14 : 3, then find A : B : C : D.

Option 1: 12 : 12 : 4 : 6

Option 2: 7 : 2 : 10 : 4

Option 3: 8 : 12 : 14 : 3

Option 4: 8 : 5 : 14 : 6

Question : What is the value of $\frac{\frac{5}{3} \text { of } \frac{1}{4} \times \frac{24}{5}-\frac{1}{5} \text { of } \frac{25}{8} \times \frac{24}{5}}{\frac{5}{12} \text { of } \frac{3}{4} \times \frac{4}{3}+\frac{3}{4} \text { of } \frac{12}{5} \times \frac{5}{6}}$?

Option 1: $-\frac{24}{23}$

Option 2: $-\frac{12}{23}$

Option 3: $-\frac{25}{46}$

Option 4: $-\frac{28}{23}$