Question :
In the figure, PT is a tangent. If TP = 12 cm, PB = $x$ + 7 cm, and PA = $x$ cm, then find the value of $x$.
Option 1: 9
Option 2: 6
Option 3: 7
Option 4: 5
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Correct Answer: 9
Solution : TP = 12 cm PB = $x$ + 7 cm PA = $x$ cm TP$^{2}$ = PA $\times$ PB ⇒ $12^{2} = x \times (x + 7)$ ⇒ $144 = x^{2} + 7x$ ⇒ $ x^{2} + 7x-144=0$ ⇒ $(x-9)(x+16) = 0$ ⇒ $x = 9$ or $x = -16$ But $x$ cannot take a negative value so $x$ = 9 cm Hence, the correct answer is 9.
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Question : Find the value of $x$ in the given figure where TP (tangent on point T) = 15 cm, PB = 2$x$ + 3 cm, PA = 9 cm.
Option 1: 21 cm
Option 2: 18 cm
Option 3: 15 cm
Option 4: 11 cm
Question : Directions: Select the figure that will come in place of the question mark (?) in the following figure series.
Option 1:
Option 2:
Option 3:
Option 4:
Question : Directions: Select the figure that will come next in the following figure series.
Question : Directions: Out of the following five figures, four are alike in some manner and one differs from these in that manner. Select the odd figure.
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