Question : Possible lengths of the three sides of a triangle are:

Option 1: 2 cm, 3 cm, and 6 cm

Option 2: 3 cm, 4 cm, and 5 cm

Option 3: 2.5 cm, 3.5 cm, and 6 cm

Option 4: 4 cm, 4 cm, and 9 cm

Question : In $\triangle ABC$, $D$ and $E$ are points on sides $AB$ and $AC$, such that $DE$ II $BC$. If $AD=x+3$, $DB =2 x-3$, $A E=x+1$ and $EC=2 x-2$, then the value of $x$ is:

Option 1: $\frac{4}{5}$

Option 2: $\frac{1}{2}$

Option 3: $\frac{3}{5}$

Option 4: $\frac{1}{5}$

Question : In a right-angled triangle, if the hypotenuse is 20 cm and the ratio of the other two sides is 4 : 3, the lengths of the sides are:

Option 1: 4 cm and 3 cm

Option 2: 8 cm and 6 cm

Option 3: 12 cm and 9 cm

Option 4: 16 cm and 12 cm

Question : The lengths of the three sides of a triangle are 30 cm, 42 cm, and $x$ cm. Which of the following is correct?

Option 1: $12 \leq x<72$

Option 2: $12>x>72$

Option 3: $12<x<72$

Option 4: $12 \leq x \leq 72$

Question : Which of the set of three sides can't form a triangle?

Option 1: 5 cm, 6 cm, and 7 cm

Option 2: 5 cm, 8 cm, and 15 cm

Option 3: 8 cm, 15 cm, and 18 cm

Option 4: 6 cm, 7 cm, and 11 cm