| Updated On February 19th, 2020 at 02:47 pm

**Q1. AD is the internal bisector of of triangle ABC and meets side BC at D. If BD = 5 cm, BC = 7.5 cm than AB : AC is**

(a) 2:1

(b) 3 : 1

(c) 1 :3

(d) 2:3

**S2. In Î”ABC, âˆ BCA = 90Â°, AC = 24 cm and BC = 10 cm. What is the radius (in cm) of the circum-circle of Î”ABC?**

(a) 12.5

(b) 13

(c) 25

(d) 26

**S3. A chord of length 7 cm subtends an angle of 60Â° at the centre of a circle. What is the radius (in cm) of the circle?**

(a) 7âˆš2

(b) 7âˆš3

(c) 7

(d) 14

**S4. The distance between the centres of two circles of radius 9 cm and 6 cm is 17 cm. What is the length (in cm) of the transverse common tangent?**

(a) 9

(b) 11

(c) 7

(d) 8

**S5. The length of the direct common tangent of two circles of radius 8 cm and 3 cm is 12 cm. What is the distance (in cm) between the centres of the circles?**

(a) 15

(b) 13

(c) 14

(d) 17

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**S6. Î”PQR is a right-angled at Q. If PQ = 8 cm and PR = (QR + 2) cm. What is the value (in cm) of PR?**

(a) 17

(b) 15

(c) 19

(d) 18

**S7. In the given figure, O is the center of the circle. If âˆ POR = 130o, then what is the value (in degree) of âˆ S and âˆ Q respectively.**

(a) 65, 115

(b) 55, 125

(c) 60, 120

(d) 65, 120

**S8. âˆ PQR is a triangle in which PR = QR. Side PR is extended to S, such that QR = RS. If âˆ QPR = 40o, then what is the value (in degrees) of âˆ QSR?**

(a) 45

(b) 50

(c) 55

(d) 41

**S9. If Î”PQR is right angled at Q, PQ = 12 and âˆ PRQ = 30Â°, then what is the value of QR?**

(a) 12âˆš3

(b) 12âˆš2

(c) 12

(d) 24

**S10. In the given figure, AC and DE are perpendicular to tangent CB. AB passes through center O of the circle whose radius is 20 cm. If AC= 36 cm, what is the length (in cm) of DE ?**

(a) 4

(b) 6

(c) 2

(d) 8

**Solutions:**

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