Maths By komal Gupta for all competitive exam

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Election question for competitive exam

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Q1. From an external point P, tangents PA and PB are drawn.
If PA = 6 cm, find the perimeter of △PRS.
A. 6 cm
B. 10 cm
C. 12 cm
D. 18 cm
👉 Ans: C
Q2. PA = 9 cm. Perimeter of △PRS is:
A. 9 cm
B. 15 cm
C. 18 cm
D. 27 cm
👉 Ans: C
Q3. If PA = PB and a third tangent cuts them, then perimeter of △PRS equals:
A. PA
B. PB
C. PA + PB
D. 2PA − PB
👉 Ans: C
Q4. PA = 5 cm. Find perimeter of △PRS.
A. 5 cm
B. 8 cm
C. 10 cm
D. 15 cm
👉 Ans: C
Q5. From an external point, two tangents are drawn.
Which property is used?
A. Radius ⟂ tangent
B. Tangents from same point are equal
C. Angle in semicircle
D. Pythagoras theorem
👉 Ans: B
Q6. If PA = 11 cm, perimeter of △PRS = ?
A. 11
B. 20
C. 22
D. 33
👉 Ans: C
Q7. SSC shortcut for this type of question is:
A. Perimeter = 2 × PA
B. Perimeter = PA − PB
C. Perimeter = radius × 2
D. Perimeter = PA²
👉 Ans: A
Q8. If PA : PB = 1 : 1, then perimeter of △PRS depends on:
A. Radius
B. Diameter
C. PA only
D. Angle at center
👉 Ans: C
Q9. PA = 13 cm. Find perimeter of △PRS.
A. 13
B. 20
C. 26
D. 39
👉 Ans: C
Q10. This question is most commonly asked in:
A. Banking
B. Railways
C. SSC CGL / CHSL
D. NDA
👉 Ans: C

Delhi Police 2025 Top 20 Questions Solved by Komal Gupta

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